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单词
roof purlin
释义
Dictionary
See
purlin
roof purlin
purlin, purline
purlins
A piece of timber laid horizontally on the
principal rafters
of a roof to support the common rafters on which the roof covering is laid. Compare with subpurlin; also See
common purlin, principal purlin, ridge purlin,
and
through purlin
.
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更新时间:2025/10/10 5:19:27