| 单词 | clack valve |
| 释义 | clack valvenouna valve having a hinged flap permitting flow only in the direction in which the flap opens. Also called flap valve. Origin of clack valveFirst recorded in 1855–60 Words nearby clack valveclack, clacker, clackers, Clackmannan, Clackmannanshire, clack valve, Clacton, Clactonian, Clacton-on-Sea, clad, cladanthous Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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