1·Horizontally pushing lifting jack of direct shear tests are operated on rock mass shear strength test. - center point group analysis is used for treating shear test data.
用平推法直剪试验进行岩体抗剪断强度试验，用-点群中心法处理直剪试验数据。
2·Job security: electric jack has lift the self-locking protection device that, when beyond top heave range will automatically stop lifting, safe and reliable.
工作安全：电动千斤顶具有升降自锁的保护装置，当超出顶举范围时将自动停止升降，安全可靠。
3·Electric jack slab and under arms over thick, using reinforced optimization strong design, make jack lifting smoothly, won't be out of shape.
电动千斤顶底板和下支臂超厚，采用加强筋的优化坚固设计，使千斤顶升降平稳，不会变形。
4·Metallurgical hoist, electric hoist, chain hoist, chain hoists, trolleys, grab, electric flat car, lifting electromagnet, hand hoist, sling, Jack, hoist, bearing.
电动葫芦，冶金葫芦，环链葫芦，手拉葫芦，单轨小车，抓斗，电动平车，起重电磁铁，手扳葫芦，吊索具，千斤顶，卷扬机，轴承。
5·The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5 tons.
这个倒链（油压千斤顶、螺旋千斤顶）的起重能力为 5 吨。
6·The lifting capacity of this chain hoist ( hydraulic jack , screw jack ) is 5tons.
这个吊链（油压千斤顶、螺旋千斤顶）的起重能力为5吨。
7·The system can not only fulfill jack group control, lifting synchronic control, ropes even loaded control but also strong adeptness in site construction and system reliability.
系统不仅能完成千斤顶集群控制、提升同步控制、索具均载控制，而且还有很强的施工现场适应性和系统可靠性。
8·Electric jack slab and under arms are over thick, using reinforced optimization strong design, make jack lifting smoothly, won't be out of shape.
电动千斤顶底板和下支臂超厚，采用加强筋的优化坚固设计，使千斤顶升降平稳，不会变形。
9·The screw jack can the long-term support heavy item, the greatest lifting capacity amount to 100 tons, the application is broad.
螺旋千斤顶能长期支持重物，最大起重量已达100吨，应用较广。
10·The lifting capacity of this chain hoist (hydraulic jack, screw jack) is 5tons.
这个吊链（油压千斤顶、螺旋千斤 顶）的起重能力为5吨。