The connecting rod on the cargo boom is hinged with a shaft (38) simultaneously, is extended and bulged to the external side to form a supporting shaft.
同时将起重臂上的连杆铰接轴（38），向外侧延伸凸出构成支撑轴。
The connecting rod on the cargo boom is hinged with a shaft (38) simultaneously, is extended and bulged to the external side to form a supporting shaft.
同时将起重臂上的连杆铰接轴（38），向外侧延伸凸出构成支撑轴。
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