Although the structure of drill string seems simple, it bears rather complicated outside force.
虽然钻杆柱在结构上看似较为简单，但实际上，它承受着相当复杂的外力。
In that center of reason and will, no outside force is permitted to intrude.
在理智与意愿的中心点，任何外界的势力都是不允许侵入的。
In that center of reason and will, no outside force is permitted to intrude.
在理智与意愿的中心点，任何外界的势力都是不允许侵入的。
应用推荐