您要查找的是不是：
- downhole non - return valve 井下止回阀
- One of the reasons influencing CFB safe operations return valve clinkering blockage. 回料阀结焦堵塞是影响循环流化床锅炉安全运行的原因之一。
- Here the air and water discharged from the return valve to the back entrance of the impeller. 在这里空气排出而水又从回流阀返回到叶轮入口。
- a return plumbing pipe; a return valve. 循环水管装置；回流阀
- Floating type automatic oil return valve 浮动式自动回油阀
- hydraulic controi non- return valve 液控单向阀
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
- We look forward to the return of spring. 我们期待着春天的到来。
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- He avowed that he would never return. 他声明他决不回来了。
- Influence of Return Valve System to the Operation of CFB Boiler 回料系统对循环流化床锅炉运行的影响
- He makes a return and go back to the hotel. 他掉转车头，驶回饭店。
- He might think it polite to return the visit. 他可能认为回访比较合乎礼仪。
- He swore by his honour he would return the bike. 他以自己的名誉发誓一定归还自行车。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- The normal return fare to New York is fifty-six. 去纽约的来回票标准价是56元。
- He assist me with my income tax return. 他帮助我填写所得税申报单。
