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单词
nonreturn
释义
nonreturn
Related to nonreturn: Non return valve
nonreturn
(
ˌnɒnrɪˈtɜːn
)
adj
(General Engineering) denoting a mechanism that permits flow in a pipe, tunnel, etc, in one direction only:
a nonreturn pipe
.
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更新时间:2026/4/16 3:56:29