support of ridge purlin的意思|示意

美 / / 英 / /

支撑脊檩条

support of ridge purlin的网络常见释义

脊标支承 ... support motion 支点行动 support of ridge purlin 脊标支承 support refun 支承反力 ...

support of ridge purlin相关短语

1、 support of ridge purlin WESTBANK 脊标支承