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The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand. 陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。
The start is performed by direct injection of air into the cylinders through the starting air valves in the cylinder heads. 这个启动，是由直接注射空气进入气缸，通过在气缸正面的启动空气阀完成的。
The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.One dynamic plate and one stationary plate are made of extremely hard aluminum oxide . 陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种气体、液体阀门的密封。
The lack of air in the room make everyone sniffle. 屋子里空气缺乏，使得每个人都频频吸气。
From the air valve operating principles of view, air valve performance will directly affect the work of compressor tanks, air valve for the following requirements : resistance losses small. 从气阀工作原理来看，气阀工作性能将直接影响压缩机气缸的工作，因此，对气阀有如下要求：阻力损失小。
The great virtue of air travel is speed. 乘飞机旅行的最大优点是速度快。
This new style of air conditioner is noiseless. 这种新型空调没有噪音。
I'll just trot out for a breath of air. 我要到外面去走走换换空气。
The basic assumptions or principles of a subject. 基本原则，基本假设某一学科的基本假设或基本原理
I want to buy a set of air conditioning. 我想买一台空调。
The doctor urged a change of air. 医生力劝换个环境。
Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
On the basis of analyzing principle of PFC&PFB for two kinds of interlocking methods, air valve and rigid interlock, their disadvantages are explicitly pointed out. 为此本文研制了一种节能型制动器，并对其进行了系统深入的理论分析与试验研究。
They seem to be actuated by the principles of equity and justice. 看来他们受公平合理的原则所驱使。
The lack of air in the room made everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
We can hear the hiss of air escaping from a tire. 我们能听到一只轮胎的嘶嘶漏气声。
Sound travels through the medium of air. 声音通过空气这一媒介传播。
The formal, guiding principles of a discipline, school, or science. 基本原理一个学科、学派或一门科学的正统的、起指导作用的原则
The principles of Paris Commune are eternal. 巴黎公社的原则是永存的。
The fundmental property，constructure modes and fundmental principle of air springs are described. 本文介绍了空气弹簧的基本特性、结构型式和基本原理。