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单词
shut-off valve
释义
Shut-off valve
Shut-off valve
A valve in a gas or water supply line that can completely seal off the flow to the building, a branch line, or a fixture; the main water shutoff typically has a gate valve.
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bgkf
bgkl
bgko
bgkv
bgkw
bgl
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b glabra
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更新时间:2026/8/4 0:35:05