英汉例句

• If it does not drop, but there is slow leakage at test cock No. 3, then No. 1 ball valve has a small leak, but No. 2 check valve is tight.

  如果水柱没有下降，但是测试旋塞3号有点泄漏，则1号球阀有点泄漏，但是2号止回阀密封紧密。

• Open test cock No. When flow of water out of test cock No. 2 stops, the differential reading is the pressure drop reading.

  开启测试旋塞2号。当从测试旋塞2号流出的水流停止时，压差读数就是压降读数。

• Connect bypass hose between connection "C" bypass and loosely to test cock No.

  将旁路软管连接到连接「C」旁路并松散地连接到测试旋塞1号上。

• Install hose between test cock and connection "A" high side (red) of test kit.

  在测试旋塞和检测组件的连接「A」高端（红）之间安装软管。

• The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer.

  带测试旋塞的关闭阀应该安装在防回流阀的进口侧。

• Open test cock No. 1 and bleed valve by opening vent needle valve. Bleed air from hose then shut vent needle valve.

  开启测试旋塞1号，通过开启排气针形阀来开启排气阀。从软管排放空气，然后关闭排气针形阀。

• The gate valve with the test cock is to mounted on the inlet side of the backflow preventer .

  带有测试旋塞的闸阀安装在防回流阀的进口一侧。

• Requirement: Supply pressure drop must be 0 PSID or more when water flow stops from test cock No.

  要求：当水流从测试旋塞2号上停止时，供应压降必须在0PSID及以上。

• If it slowly drops and simultaneously runs out through test cock No. 3, check valve No. 2 is leaking and must be serviced.

  如果水柱慢慢下降，并且同时通过测试旋塞3号排出，则止回阀2号泄漏，必须维修。