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单词
relief vent
释义
relief vent
relief vent
relief vent
A branch from the vent stack, connected to a horizontal branch between the first fixture branch and the soil or waste stack, whose primary function is to provide for circulation of air between the vent stack and the soil or waste stack.
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st. leopold's day
stlf
stlg
stl&h
stlh
stlhe
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stlmc
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stl/nih-c
st lo
stlo
st loius arch
st louis
st. louis
st. louis amateur baseball association
st. louis apartment association
st louis arch
st. louis area computer club
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更新时间:2025/7/31 23:10:08