ahead valve

用法例句

By researching the author, the usage of the cart described in the poem, the situation in the Wei Kingdom of that age and the reprehension at the end of the poem, the article concludes that the poet, as the head of the stablemen, describes the process of feeling sandalwood to make carts and proclaims by adopting the way of question and answer that he does not deserve the name of "a .

通过对诗的作者、车的用途、《诗经》时代魏地情形的考证 ,以及诗末句的训释可推知 :诗人以车正 (车人之首 )的身份 ,叙写伐檀造车之事 ,并拟用对答之语 ,借以肯定自己为“不素餐”者 ,理应受禄。

ahead selecting pilot air valve

正车选择用控制空气阀

astern selecting pilot air valve

倒车选择控制空气阀

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

change over bridgecontrol room pilot air valve

驾驶室-控制室转换用控制空气阀

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。

The application of valves in pneumatic conveying

阀门在气力输送系统中的应用与选择

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。

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。

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。

vacuum and spring operated EGR valve

真空和弹簧控制型废气再循环阀

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。

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

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

instruments of selective controls

选择性信用控制工具

(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）

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。

vacuum advance control valve

真空点火提前控制阀

Diverter valve vacuum supply hose

紧急控制阀的真空管