safety valve
英
美
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Noun:
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a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
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用作名词 (n.)
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The safety valve of his anger opened.
他控制怒火的安全阀打开了。
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Remove the four bolts that hold the relief valve cover in place.
拆卸固定安全阀阀盖的四个螺栓。
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