您要查找的是不是：
- vacuum moderating valve 真空节制阀
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The vacuum valve opens to admit air. 真空阀开启以补充空气。
- Connect vacuum hose to booster check valve. 连接真空软管到增压器检测阀。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- Have you turned off the water valve? 你关掉水阀了吗？
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- Connect vacuum line to EGR valve. 将真空管路连接到EGR阀。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
- Connect vacuum hose to booster check valve . 连接真空软管到增压器检测阀。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- Sealed under low pressure or a partial vacuum. 抽空密封的在低压或部分真空状态下密封起来的
- The violent toothache has been moderating . 剧烈的牙痛减轻了。
- His wife exercises a moderating influence upon him. 他的妻子对他有一种缓和作用。
- The violent toothache has been moderating. 剧烈的牙痛减轻了。
