您要查找的是不是：
- conductor rs valve 车长阀, 紧急制动阀
- vacuum conductor rs valve 真空紧急制动阀, 真空车长阀
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- The chief conductor turned out to be a young woman. 列车长原来是一位青年妇女。
- That iron is a good conductor is known to us all. 铁是良导体这是我们大家都知道的。
- The conductor punched his bus ticket. 售票员用剪票夹在他的汽车票上打孔。
- Under its new conductor, the errorism Act. 根据防止恐怖活动法案，拘留了六名疑犯。
- Have you turned off the water valve? 你关掉水阀了吗？
- The young soprano was taken up by a famous conductor. 那年轻的女高音歌手受到一著名指挥家的提携。
- A lightning conductor protects a building from damage by lightning. 避雷针可保护建筑物不受雷击的破坏。
- 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 conductor is good at keeping the players together. 乐队指挥善于使表演者奏协调。
- A channel or conductor capable of transmitting signals. 一种能传输信号的信道或导线。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- A good conductor should handle himself as featly as he handles his orchestra. 好的乐队指挥操纵自己的动作应如他操纵管弦乐队那样灵巧。
- His dual role as a composer and a conductor made him very busy. 他作曲家和指挥家的双重身份使他非常繁忙。
- The expedition suffered all the rigo(u)rs of a Canadian winter. 这支探险队饱受了加拿大严冬的折磨。
- The photograph of the conductor was printed on the record sleeve. 指挥的照片印在唱片套上。
- The orchestra were all in position, waiting for the conductor. 管弦乐队队员都已各就各位，等待著指挥。
- The pump sucks air out (of the vessel) through this valve. 这台泵通过这个阀门把(容器中的)空气抽出。
