The doublegear cable measuring instrument is a special equipment which is essential for logging system.
双轮电缆测量仪是油田测井系统不可缺少的专用设备。
2
It tryes to design double arc gear transmission of the best technology and economy effect making the best of speed, simpleness and understandability and feasible method.
试图用尽可能快的速度、单、懂、行的方法设计出技术经济效果最佳的双圆弧齿轮传动。
3
The load assignment formula and the method of the double circular arc gear under the wiring error influence between the contact mark was introduced and inferred.