这两台起重机需要一个特殊框架固定一对对角延伸的外舷架，而不是（一般的）从卡车框架平直从伸出。

Both cranes need a special frame to hold a pair of outriggers that extend diagonally, instead of straight out from the truck frame.

youdao

这两台起重机需要一个特殊框架固定一对对角延伸的外舷架，而不是（一般的）从卡车框架平直从伸出。

Both cranes need a special frame to hold a pair of outriggers that extend diagonally, instead of straight out from the truck frame.

youdao