valley jack rafter detail
English translation for "椽子" ... 出头椽子: exposed rafters detail>> 斜构椽子: valley jack rafter detail>> 出头椽子先烂: exposed rafters are the first to rot.;... detail>> ...
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valley jack rafter detail
山谷杰克椽子细节
以上为机器翻译结果，长、整句建议使用 人工翻译 。