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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	hpcci hpccit hpccn hpc, cord blood hpccp hpccpt hpcc&s hpccs hpccss hpccu hpccv hpc-d hpcd hpcda hpcdc hpcdp hpcds hpce hpcec hpced hpcerc hpces h/pc explorer hpcf hpc-finance

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