1.
ahead selecting pilot air valve
正车选择用控制空气阀
2.
astern selecting pilot air valve
倒车选择控制空气阀
3.
Research and Development of the Air Brake Control Valve for 120-type Freight Cars
120型货车空气控制阀的研究试验
4.
change over bridgecontrol room pilot air valve
驾驶室-控制室转换用控制空气阀
5.
a gas burner used in laboratories; has an air valve to regulate the mixture of gas and air.
实验室里用的汽灯；有一个空气阀可以控制可燃气和空气的密度。
6.
The application of valves in pneumatic conveying
阀门在气力输送系统中的应用与选择
7.
The fuel burner of an open hearth furnace is water cool, as is the valve that regulate the flow of air and waste gases.
平炉的燃料燃烧室是用水冷却的，控制空气和废气的阀也是水冷的。
8.
The positive crankcase ventilation valve and gas caps with air-pollution control valves reduce volatile organic compound loss.
曲柄轴箱通风阀和配有废气帽的空气污染控制阀（使用）减少挥发性有机混合物释放有积极作用。
9.
a valve that controls the flow of air into the carburetor of a gasoline engine.
控制空气流入发动机的汽化器的阀。
10.
vacuum and spring operated EGR valve
真空和弹簧控制型废气再循环阀
11.
The canister vapor-vent value is operated by vacuum.
活性炭罐蒸气排泄阀是由真空控制的。
12.
Study on Application of R417A and the Control Performance of Electronic Expansion Valve in the Air Source Heat Pump Water Heater
空气源热泵热水器中R417A的应用及电子膨胀阀控制特性研究
13.
The Performance and Choices of Electric Vehicle Motors-controller
电动汽车所用电机控制器的性能简介及选择
14.
instruments of selective controls
选择性信用控制工具
15.
(knob which operates the) valve controlling the flow of air into a petrol engine
阻风门（开关）（控制进入汽油机空气量的阀门）
16.
All air tubing on control and actuated valves shall be stainless steel.
所有控制阀及？上的空气管都应为不锈钢。
17.
vacuum advance control valve
真空点火提前控制阀
18.
Diverter valve vacuum supply hose
紧急控制阀的真空管