您要查找的是不是：
- emergency relay valve 紧急继动阀
- hydraulic relay valve piston cup 液压继动阀活塞皮碗
- hydraulic relay valve return spring 液压式继动阀回动弹簧
- The relay valves which are used at the end of long pipelines can quickly fill gas cells with compressed air, for example, in trailer or semitrailer brake systems. 继动阀用于长管路的末端，使储气筒的压缩空气快速充满制动气室，如在挂车或半挂车制动系统中。
- The anchor man in a relay team runs last. 接力队中的主力跑最后一棒。
- Please locate the nearest emergency exit. 请指明最靠近的太平门位置。
- She has the ability to keep calm in an emergency. 她有处变不惊的本事。
- Six teams competed in yesterday's relay race. 六个队参加了昨天的接力赛。
- You should only use this door in an emergency. 在紧急情况下才能使用这扇门。
- Have you turned off the water valve? 你关掉水阀了吗？
- It is important to keep/stay calm in an emergency. 在紧急情况下保持镇静是很重要的。
- She want to relay the carpet in her new home. 她想重新铺设她新房子的地毯。
- The concert was broadcast by relay. 这场音乐会是实况转播的。
- I'm looking for the emergency room. 我正在找急诊室。
- She wanted to relay the carpet in her new home. 她想重新铺设她新房子的地毯。
- Computer simulation of an in-flight emergency. 计算机模拟飞行途中的紧急情况
- A new relay of horses was harnessed to the cart. 用作轮换的马都已套到了那辆马车上。
- The patient was asked to ring the bell in an emergency. 要求病人在有紧急情况时按铃。
- 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 Government proclaimed a state of emergency. 政府宣布了紧急状态。
