我们总是用直流（交流）电弧焊机焊接管子。
328、 the concrete mixer (concrete truck mixer, concrete vibrator, concrete batch plant) made by hua-dong works are steady in quality and reliable in performance.
华东工厂生产的混凝土搅拌机（搅拌车、混凝土振动器、混凝土搅拌站）质量稳定、性能可靠。
329、loaders, fork lifts and air compressors are heavy construction machinery.
装载机、叉车和空气压缩机都是重型施工机械。
330、we must study the instruction before operation the pipe bender (hand pump, hydraulic testing pump).
在操作弯管机（手压泵、液压试压泵）之前，我们必须先学习说明书。
331、the thickness of the steel plate handled by this roller mill (shear machine) is 25 millimeters.
这台滚压机（剪切机）加工的钢板厚度可达25毫米。
]332、this lathe (milling, boring, grinding, drilling, gear cutting, planer) machine is of home manufacture.
这台车床（铣床、镗床、磨床、钻床、切齿机、刨床）是我们国内制造的。
333、all machinery must be lubricated periodically according to the lubrication chart.
所有的机械都必须根据润滑图表定期加油。
334、to maintain its efficiency, the machinery needs a regular service (check-over, repairing, overhaul).
这台机械需要进行一次定期保养（全面检查、修理、大修），以维持其工作效率。
335、 this machinery is made in china (great britain, usa, canada, italy, holland, japan, korea, federal germany, democratic germany, france, romania, bulgaria, poland, czechoslovakia, yugoslavia, hungary, soviet union, swiss, sweden).
这台机械是中国（英国、美国、加拿大、意大利、荷兰、日本、朝鲜、联邦德国、民主德国、法国、罗马尼亚、保加利亚、波兰、捷克斯洛伐克、南斯拉夫、匈牙利、苏联、瑞士、瑞典）制造的。
336、tell me about the operation of the machine.
请告诉我如何操作这台机器。
337、bearings must be lubricated periodically.
轴承必须定期润滑。
338、need we make any adjustment of this machine?
我们有必要调整这台机器吗？
十四、常用工具
common tools
339、there are many tools in my tool storage unit (tool chest, tool box).
我的工具柜（工具盒、工具箱）里面有很多工具。
340、 get me a hammer (hacksaw, file, scraper, chisel, socket, wrench, hook spanner, adjustable wrench, pipe wrench, ratchet wrench, open end wrench, screw driver, hand vice, pliers, pocket knife).
给我拿一把手锤（钢锯、锉刀、刮刀、凿子、套筒扳手、钩扳手、活动扳手、管扳手、棘轮扳手、开口扳手、螺丝刀、手钳、扁嘴钳、小刀）。
341、 straightedge rule (square rule, slide gauge, inside and outside micrometer, steel tape, feeler, dial gauge, depth micrometer, wire gage, radius gage, thread pitch gage) is a kind of common measuring tool.
直尺（角尺、游标卡尺、内径和外径千分尺、钢卷尺、塞尺、千分表、深度千分尺、线规、半径规、螺距规）是一种常用量具。
342、the precision of this fitter level (cross-test level) is 0.02mm/m.
这个钳工水平仪（框架式水平仪）的精度为0.02毫米/米。
343、 we have got the instrument (pressure gauge, thermometer, tachometer, current meter, universal meter) ready for the experiment (test).
我们已经准备好做实验（试验）的仪器（压力表、温度计、转速计、电流表、万用表）。
344、 that is an air (electric) powered grinder (portable grinder, angle grinder, straight grinder, drill, impact wrench, riveting hammer, hammer drill).
那是一个气（电）动砂轮机（手持砂轮机、角型砂轮、直型砂轮、钻机、冲击扳手、铆钉锤、锤钻机）。
345、our electrical tools are double insulated and approved to international safety standards.
我们的电动工具都是双重绝缘的，并符合国际安全标准。
346、hydraulic pump is the power unit of the hydraulic puller (hydraulic press, hydraulic pipe bender, hydraulic jack).
油压泵是油压拉出器（油压机、油压弯管机、油压千斤顶）的动力装置。
347、 a welder’s kit contains electrode holder, welding torch, helmet shield, portable electrode heating box and temperature measuring pen.
一名焊工的成套工具包括焊钳、焊炬、面罩、手提式焊条加热箱和测温笔。
348、the diameter of this wire rope (hemp rope, sling) is three-fourth inches (3/4‖).
这钢丝绳（麻绳、吊索）的直径为3/4英寸。
349、the lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons.
这个吊链（油压千斤顶、螺旋千斤顶）的起重能力为5吨。
350、the vise (parallel-jaw vice) is available to all of the bench work.
所有的钳工工作都可使用台钳（平口钳）。
351、grease gun and oiler are the lubrication service tools for machinery.
油枪和注油器都是机械润滑维护工具。
352、torque wrenches offer the precision measurement needed to tighten fasteners.
力矩扳手可以提供禁锢螺栓所需的精确力矩计量。
353、the measuring unit of torque wrench is pound-inch or kilogram-centimeter.
力矩扳手的计量单位为镑-寸或者公斤-厘米。
354、is the machine accompanied with some tools (spare parts, accessories)?
这台机器随机带有一些工具（备件、附件）吗？
355、shall we use a special tool for this job?
我们干这活要使用专用工具吗？
356、could you tell us how to use (operate, repair, maintain, clean, adjust) this new tool?
你能告诉我们如何使用（操作、修理、维护、清理、调整）这个新工具吗？
357、the tool gets out of order, we must remedy its trouble.
这工具有毛病，我们必须排除它的故障。
358、the tool is out of repair, it needs an overhaul.
这工具失修，需要拆修。
359、from your explanation i shall easily handle it.
听了你的说明，我将易于操纵它。
360、the tools must be well kept.
工具必须妥善保管。
十五、工程材料
engineering materials
361 there are some material warehouses(store yards)on the construction site.
在工地上有一些材料仓库（堆场）。
362 our store officer is responsible for the warehousing and issuing of materials.
我们的仓库管理员负责保管和发放材料。
363 we use scientific-management system for material shortage and its control.
我们应用科学管理体系处理材料短缺及其调节。
364 these materials are imported from abroad(supplied by the seller).
这些材料是从国外进口的（卖方供应的）。
365 what is the feature about it?
这些材料的特性是什么？
366 the construction material answers our purpose satisfactorily.
这种建筑材料能满足我们的需要。
367 the average traffic fuel (gasoline) consumption of this lorry is 0.3 liter per kilometer (l/km).
这台货车的平均行车柴油（汽油）耗量为每公里0.3公升。
368 hydraulic oil (lubrication oil )which having a viscosity of about 4.5°eat 50℃ can be used for this vehicle (machine).
具有恩氏粘度4.5°e( 50℃)的液压油（润滑油）可用于此车辆（机器）。
369 this special oil comes from the ―shell‖ company (caltex, mocbil,gulf, esso, castrol, bp).
这种特种油来自―壳牌‖公司（加德士、飞马、海湾、埃索、卡斯特罗、英国石油公司）。
370 cement steel and timber are the most important construction materials used in civil engineering.
水泥、钢材和木材是土建工程中最重要的建筑材料。
371 typical structural steel shapes include beams, channels, angles and tees.
典型的结构型钢包括工字钢、槽钢、角钢和丁字钢。
372 there are four broad classifications of steel : carbon steels, alloy steels, high-strength low-alloy steels and stainless steels.
钢材大致辞可分为四类，即：碳素钢、合金钢、高强度低合金钢和不锈钢。