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	aercab aercam aercap aercc aerco aercw aerd aerda aerdc aerdd aerdl aerdo aerdri aere aerea aerec a&e referral source aerei da trasporto regionale aerenchym aerenchyma aerenchymatous aerendocardia aereo aereola aereolae

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