The double gear 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。
In this paper the mathematical model of optimal design of the double-gear crank mechanism for generating a function is first established.
本文首次建立了实现函数的双齿轮曲柄机构优化设计的数学模型。
In this paper the mathematical model of optimal design of the double-gear crank mechanism for generating a function is first established.
本文首次建立了实现函数的双齿轮曲柄机构优化设计的数学模型。
应用推荐