技术指标为液压剪切钳、液压扩张钳、液压支撑顶杆、液压剪切扩张两用钳提供动力。
Hydraulic cutting pliers, hydraulic expansion of pliers, hydraulic support the mandrel, hydraulic shearing expansion of dual-use pliers to power.
下层甲板的主梁必须立即用螺旋千斤顶进行支撑。
The main-beams of the lower deck had to be shored with screw-jacks forthwith.
火山形的坡顶由像树形的结构构件撑起，每个构件的“树干”都分出三个或四个“树枝”支撑。
The volcano's slopes are held by structural components meant to evoke trees -each "trunk" sprouts three or four supporting "branches".
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