您要查找的是不是：
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- Purpose: To test check valve No. 1 for tightness. 目的:检测止回阀1号的密封性。
- Have you got any rain check for the following game? 你拿到下一场球的免费票了吗？
- He filled up the check for$1000. 他开了1000元的支票。
- Proper size inlet plumbing. Check for air tight seal. 检查进口管路的尺寸是否正确,是否拧紧。
- Purpose: To test check valves for tightness in the direction of flow. 目的:检测止回阀在流向上的紧固性。
- Purpose: To test check valve No. 2 for tightness against reverse flow. 目的:检测止回阀2号对于回流的密封性。
- Purpose: To test shutoff #2 for tightness. 目的：检测关闭2号的紧固密封性。
- Purpose: To test shutoff valve No. 2 for tightness. 目的:检测2号关闭阀的密封性。
- He forgot his money so he asked his friend to cash a check for$100. 他忘了带钱，所以请朋友兑现一张一百美元的支票。
- Please let us have your check for the$60 now past overdue. 迟付的60美元，请速予寄下为荷。
- Our check for$100 is enclosed. Kindly give tickets to messenger. 我们随信附上一张100美元的支票，请将戏票交给送信者即可。
- Purpose: To test valve No. 1 for tightness against reverse flow. 目的:检测1号止回阀对于回流的密封性。
- You can check for over distension of the bladder. 可以检查病人的膀胱是否结束膨胀。
- Our check for$3800 will be forward to you as soon as the tickets are received. 我们收到机票后将立即将800美元的支票付给您。
- The terrorist attack ram home the need for tight security. 恐怖分子的袭击使人们充分认识到加强安全措施的必要性。
- Our check for$800 is enclosed, Kindly forward tickets by return mail. 随信附上一张800美元的支票，请将机票寄给我们。
- I'd like to write two checks for fifty dollars each. 我想开两张每张50美元的支票。
- The police constantly check for overloading. 警察经常检查有否超载。
- The terrorist attack rammed home the need for tighter security. 恐怖分子的袭击使人们充分认识到加强安全措施的必要性。
