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单词
bal-check valve
释义
bal-check valve
noun
:
a ball valve in which the ball is pushed against or away from its seat by fluid pressure opposed to the action of a spring
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sheep's-head clock
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sheep's-parsleys
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sheepback
sheepberries
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sheepbiter
sheepcote
sheepcotes
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sheepfacedly
sheepfacedness
sheepfold
sheepfolds
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更新时间:2025/7/7 18:35:58