进气行程 intake stroke 充气行程 charging stroke 压缩行程
compression stroke 爆炸行程
explosion stroke 膨胀行程
expansion stroke 动力行程 power stroke 排气行程 exhaust stroke 膨胀换气行程
expansion-exchange stroke 换气压缩行程
exchange-compression stroke 止点 dead center 上止点
top dead center(upper dead center) 下止点
lower dead center(bottom dead center) 上止点前
BTDC(before top dead center) 上止点后
atdc(after top dead cetner) 下止点前
bbdc(before bottom dead center) 下止点后
abdc(after bottom dead center) 缸径
cylinder bore 缸径与行程 bore and stroke 空气室
energy chamber 气缸余隙容积
cylinder clearance volume 燃烧室容积
combustion chamber volume 气缸最大容积
maximum cylinder volume
压缩室
compression chamber 排气量 displacement 发动机排量
engine displacement 活塞排量
piston swept volume 气缸容量
cylinder capacity 单室容量
single-chamber capacity 容积法 volumetry 压缩比
compression ratio 临界压缩比
critical compression ratio 膨胀比
expansion ratio 面容比
surface to volume ratio 行程缸径比 stroke-bore ratio 混合比 mixture ratio 压缩压力
compression pressure 制动平均有效压力
brake mean effective pressure(bmep) 空燃比 air fuel ratio 燃空比 fuel air ratio 燃料当量比
fuel equivalence ratio 扭矩 torque 单缸功率
power per cylinder 升功率
power per liter 升扭矩
torque per liter
升质量
mass per liter 减额功率 derating power 输出马力
shaft horsepower 马力小时，马力时 horsepower-hour 总马力
gross horse power 总功率 gross power 净功率 net power 燃油消耗量
fuel consumption 比燃料消耗率
specific fuel consumption 空气消耗率 air consumption 机油消耗量
oil consumption
effective thermal efficiency 充气系数
volumetric efficiency 过量空气系数
coefficient of excess air 活塞平均速度 mean piston speed 发动机转速
engine speed (rotational frequency) 怠速转速 idling speed 经济转速
economic speed 起动转速 starting speed 最低稳定工作转速
lowest continuous speed with load 最大扭矩转速
speed at maximum torque 最高空转转速
maximum no load governed speed 调速
speed governing 超速 overspeed 怠速 idling
转速波动率
speed fluctuation rate 工况
working condition(operating mode) 额定工况
declared working condition 变工况
variable working condition 稳定工况
steady working condition 空载 no-load 全负荷 full load 超负荷 气缸
cylinder
（转子机）缸体 stator 缸径
cylinder bore 气缸体机架
cylinder block frame 气缸盖 cylinder head 配气机构箱
valve mechanism casing 气缸体隔片 cylinder spacer 气缸盖密封环
cylinder head ring gasket 气缸盖垫片
cylinder head gasket 气缸套
cylinder liner(cylinder sleeve) 干式缸套
dry cylinder liner 湿式缸套
wet cylinder liner
气缸水套
water jacket
power performance 排放性能
emission performance 空转特性
no load characteristics 负荷特性
part throttle characteristics 调速特性
governor control characteristics 万有特性
mapping characteristics 气缸体和气缸盖
cylinder block and head 气缸体 cylinder block 整体铸造
cast inblock (cast enblock) 发动机罩 engine bonnet 燃烧室
combustion chamber 主燃烧室
main combustion chamber 副燃烧室
subsidiary combustion chamber 预燃室 prechamber 涡流燃烧室`
swirl combustion chamber 分开式燃烧室
divided combustion chamber 涡流式燃烧室
turbulence combustion chamber 半球形燃烧室
hemispherical combustion chamber 浴盆形燃烧室
bathtub section combustion chamber L形燃烧室
L-combustion chamber 楔形燃烧室
wedge-section combustion chamber 开式燃烧室