查询词典 rolling friction

With the raise of a calculation method on dynamic friction coefficient of downhole tubing, the calculating accuracy of vertical conduit flow pressure is strengthened for a gas well, which promotes the dynamic analysis and prediction on gas well production.

气井井下油管动态摩阻系数计算方法的提出，提高了气井垂管流动压力计算的精度，对气井生产动态分析和预测起到了很好的推动作用。

The coefficient of friction is directly related to human＇s safety.

步进摩擦系数的大小直接关系到人体在行走过程中的安全性。

The effect of friction coefficient between particles on the intensity was compared and discussed.

结果表明了颗粒介质之间的咬合作用对材料的宏观力学行为有比较明显的影响。

How much is the coefficient of friction between the tire and ground?

轮胎与地面间的摩擦系数是多少呢？

In this paper,an experimental device for measuring the static coefficient of friction was designed.

设计了可进行静摩擦因数测定的实验装置。

It is the high surface energy that contributed to larger friction coefficient of polyurethane threads.

高表面能引起的粘着为聚氨酯摩擦系数较高的主要原因。

This decreases the coefficient of friction and results in a decrease of brake power.

这会使摩擦因数下降并导致制动力的下降。

Coefficient of friction is the nature of the materials, so it should not change when angle increases

首先，摩擦力是一个自然的物体，所以当斜坡角度增加时，它不应该改变

I had been impressed byPython's low coefficient of friction so far but here was a real test.

现在我已经被Python如此低的冲突系数所打动，但真正的测试才刚刚开始。

The method selected will depend on the speed-load coefficient of friction requirements of the application.

该方法将取决于选定的速度负载的摩擦系数要求的申请。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？