请输入您要查询的英文单词:
单词
check valve
释义
check valve
n.
a valve allowing flow in one direction only
止回阀,单向阀
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nielloed
niff
niffy
niftily
niftiness
nifty
Nigel
nigella
Niger
Nigeria
Nigerian
Nigerien
niggard
niggardliness
niggardly
nigger
niggle
niggling
nigglingly
nigh
night
nightbird
night-blindness
nightcap
nightclothes
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更新时间:2026/8/1 21:33:56