... 自行小车门式起重机 gantry crane with self propelled trolley 绳索小车门式起重机 gantry crane with rope trolley 带固定臂架的门式起重机 portal bridge crane with fixed jib ...
双语例句
1
The spreader is linked to the crane through the rope, and its motion state is changed complicated in three-dimension with the accelerating and decelerating of trolley, hoist and gantry.