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- double rail type 双轨式
- Main machine body with double rail and double guide ball screw to provide smooth and precise feeding of glass. 采用双直线导轨、双滚珠丝杆的高精度传动结构，传动流畅、精确。
- We found the mainshaft of JK type hoist has latent capicity by calculation when its angle of slope of steel-wire rope is greater then zero,so that the lifting device can be greater than allowance. 经计算分析，JK型提升机在斜拉时，主轴有一定的潜力，因此提升装置可以改造升级使用。
- Reform of the sliding wire of bridge type hoist 桥式起重机滑导线的改造
- Improvement of the frame type hoist 井架式施工升降机的改进
- Improvement on Bridge Type Hoist End Beam 桥式起重机端梁制造工艺改进
- double rail motor hoist 双轨电动起重机
- Perfection of the Lawyers Management System "Double Rail" 论"两结合"律师管理体制之完善
- PLC Control in Bridge Type Hoist Crane Examination Application PLC控制在桥式起重机检测中的应用
- Bridge Type Hoist Crane Parameterization Model Design 桥式起重机的参数化模型设计
- Research on design method for drum thickness of wound type hoist 缠绕式提升机卷筒壁厚设计方法研究
- Clinical application of the rail type arch press fracture setting steel plate 轨道式拱型加压接骨板临床应用的初步报告
- Miniature Slide Guides-Interchangeable, Small Clearance Wide Rail Type 微型线性导轨-可互换,微小间隙滑轨加宽型
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- Select of installation position for over loading limiter on bridge type hoist 桥式起重机超载限制器安装位置的选择
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The Field Welding Repair for the Caterpillar Wheels of 7150 Type Hoist 7150型吊车履带轮的现场焊接修复
