单词：water hammer
and hermetically sealed. When reversed or shaken, the water being
unimpeded by air, strikes the sides in solid mass with a sound like
that of a hammer.
A concussion, or blow, made by water in striking, as
against the sides of a pipe or vessel containing it.
water hammer的用法和样例：
例句
- The check module shall be of a modular design and shall include limit stops to prevent over compression or damage to the check valves due to water hammer or thermal expansion.止回阀模块应该是模块化结构设计，应该包括限制止动装置以防止过压或由于水锤现象或热膨胀损坏止回阀。
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