单词	vent cap
释义	vent cap vent cap vent cap A fitting which provides protection for the open end of a vent stack, soil stack, or waste stack; prevents objects from being dropped down the stack.
随便看	jcqa jcqhc jcqm jcqr jcqta jcr jcra j. craig ventner jcrar jcrb jcrc jcrcp jcrd jcrda jcrdd jcre jcrec jcrew jcrf jcrg jcrh jcrhc jcrhs jcri jcrl

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