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Close shutoff valve No. 2 then No. 1. 关闭关闭阀2号，然后关闭关闭阀1号。
Close shutoff valve No. 2 then shutoff valve No. 1. 关闭2号关闭阀，然后关闭1号关闭阀。
Close shutoff valves No. 1 and No. 2. 关闭1号关闭阀和2号关闭阀。
Close shutoff valve No. 2 then shutoff valve No. 1 on the assembly. 关闭2号关闭阀，然后关闭总成上的1号关闭阀。
Close shutoff valve No. 2 then shut off valve No. 1 on test assembly. 关闭2号关闭阀,然后关闭测试总成上的1号阀门。
Close shutoff valves and open test cocks No. 2, 3 and 4 to relieve pressure from the body of the valve. 关闭关闭阀，并开启测试旋塞2号、3号和4号，释放阀体内压力。
Close shutoff #1, then slowly loosen hose at test cock #3 until differential gauge rises to 2psi and retighten hose. 将关闭阀1号关闭，然后慢慢松开测试旋塞3号上的软管直到差压计上升2psi为止，重新紧固软管。
Close shutoff #1, and then slowly loosen hose at test cock #3 until differential gauge rises to 2psi and retighten hose. 关闭1号关闭阀，然后慢慢松开测试旋塞3号上的软管直到差压计升到2psi为止，重新紧固软管。如果差压计读数没有增加，则记录止回阀为紧。
Close shutoff No. 1. Slowly open bleed "B" until differential gauge rises to 2 PSI and close. If the differential reading does not decrease, record check valve as "tight". 关闭1号关闭阀。慢慢开启排气“B”直到压差表上升到2PSI为止，然后关闭。如果压差读数没有下降，则记录止回阀为“密封紧密”。
Close shutoff No. 1. Slowly loosen hose connection at TC# 2 until differential gauge rises to about 2 PSI then tighten. If the differential reading does not decrease record check valve as tight. 关闭1号关闭阀。慢慢松开连接在测试旋塞2号上的软管直到压差表上升到大约2PSI，然后紧固。如果压差读数没有降低，则记录止回阀为密封紧密。
Close shutoff #1, then slowly loosen hose at test cock #3 until differential gauge rises to 2 psi and retighten hose.If the differential reading does not decrease, record check as tight. 注意：如果关闭阀2号泄漏过于严重，则对总成的第一和第二止回阀的上述检测将会无结果。
The assembly shall include two tightly closing shutoff valves before and after the valve and test cocks. 在阀门和测试旋塞之前和之后，这种总成应该包括两个紧密关闭的关闭阀。
People say that the tiger is still lurk close to. 人们说那只老虎还躲在附近。
She is buying a flat close to her office. 她正在购买一套靠近她办公室的单元房。
She's always been very close about her past life. 她对自己过去的生活一直守口如瓶。
Close the shutoff valve upstream of the regulator. 关闭调节阀上游的关断阀。
For the umpteenth time close the door quietly. 我告诉过你好多次要轻轻地关门。
That was a close call, the train nearly hit the car. 好险，火车差一点就撞上那部车子
They intended to close out all their stock. 他们打算卖光所有的存货。
This work will hardly stand close examination. 这种作品很难经得起认真的检验。