isolation valve的用法和样例：
例句
- A gate or ball type valve can be used or the isolation valve can be installed further upstream.
可以采用闸阀或球阀，或者可以将隔离阀安装在更上游的地方。 - The bypass line shall consist of a meter, a small diameter double check assembly with test cocks and isolation valves.
旁路管线应该由一个水表，配置测试旋塞和隔离阀的一个小直径双止回阀总成构成。
