主起吊绞车和升降机系统可通过船底72英尺宽的洞，提升1，250吨重的管道和机械。
The main hoist winch and a system of elevators lift 1,250 tons of pipes and machinery through the 72 inches wide hole at the bottom of the boat.
钻塔：主起吊绞车和升降机系统可通过船底72英尺宽的开口，提升1,250吨重的管道和机械。
Derrick: the main hoist winch and a system of elevators lifts 1,250 tons of pipes and machinery through the 72.
MINI施工升降机是一种小型的垂直运输塔机司机、施工人员、维修人员及小型物料的施工机械。
MINI construction elevator is a small vertical transport driver of the tower crane, construction personnel, repair personnel and small material of construction machinery.
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