短语词组短语Leg Thrust -Up 垂直举腿leg pick -up 抱腿转移independent leg jack -up 独立桩腿自升式平台double -leg pull-up 抱双腿摔single -leg pick-up 抱大腿摔individual leg jack -up drilling rig 顶举型钻油台one -leg pick-up and inside trip 抱异名腿后绊 返回 leg-up