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1·Where should the valves be placed?

阀门应该放在哪里？

2·These WATTS valves should never be used to provide anti-scald or anti-chill service.

这些美国瓦茨阀门绝不能用来提供“防烫伤”或“防冻伤”功能。

3·It did in Braidwood, from I think they had leakage in some of their vacuum valves on the secondary side.

我认为它们在次级侧的某些真空阀中有泄漏，这是在布雷德伍德所做的。

4·Decellularized porcine heart valves were prepared by using Trypsin-ethylenediamine tetraacetic acid and DNase.

利用胰酶-乙二胺四乙酸、核酸酶处理猪心瓣膜制备脱细胞支架。

5·For buying steam valves.

可以买蒸汽阀。

6·Keeping access to valves and cleanouts.

留出阀门和清洁口的通道。

7·Valves and gauges.

阀门和开关。

8·Install thermostatic valves on your radiators.

在散热器上安装温控阀。

9·The heart can be safely opened and its valves repaired.

心脏能安全地打开，其瓣膜能安全地修复。

10·There were 100 identical safety valves which were checked.

他们检查了100个完全相同的阀门。

(1)valves and fittings阀门和管件

(1)drainage valves排水阀