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	sepaled sepaline sepalled sepalody sepaloid sepalosiphon -sepalous sepalous sepals sepam sepanta robotic research foundation sepap sepaq separ separability separable separable degree separable element separable extension separable field extension separablely separable metric space separableness separable polynomial separable space

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