1.
Four-stage-engine Operation
四行程发动机工作过程
2.
Two-stage-engine Operation
二行程发动机工作过程
3.
engine operating limitation
发动机工作限制范围
4.
Diesel Engine Operating Features
柴油发动机工作特点
5.
Fuel flow indicator of No3 engine out of operation( fluctuating) but we found No3 engine working normally.
第三发燃油油量失效（动）但发动机工作正常。
6.
Fuel flow indicator of No3 engine out of operation (fluctuating) but we found No3 engine working normally.
第三发燃油油量失效（摆动），但发动机工作正常。
7.
power-on condition
发动机工作时的飞行状态
8.
Research on Working Process of the 85% H_2O_2-PE Hybrid Rocket Motor;
85%H_2O_2-PE固液火箭发动机工作过程研究
9.
Research on Working Process of Pasty Propellant Rocket Motor
膏体推进剂火箭发动机工作过程研究
10.
Optimization Study on Working Process and Key Components of Air Powered Engine;
气动发动机工作过程和关键零部件优化研究
11.
any device that makes use of heat to do work.
用热来工作的发动机。
12.
I work in the engine room.
我在发动机房工作。
13.
engine behaviour
发动机工况发动机特性
14.
I shall never understand the workings of an engine.
我永远搞不懂发动机的工作原理。
15.
power-off condition
发动机不工作时的飞行状态
16.
The engine is only firing on three cylinders.
这发动机只有三个汽缸工作.
17.
oil performance in engine
油品在发动机内工作特性
18.
light to indicate whether power is on or a motor is in operation.
显示能量或发动机是否工作的灯。