wall string的意思|示意

When the force can not contact drill string with one side of the borehole wall, the stiffness of drill string can influence the contact force.

当外力不足以使钻柱紧贴于井壁的一侧时，钻柱的刚度对钻柱与井壁之间的接触力有影响。

Perched on a ladder against the compound wall, Kao Chung, a young male servant, extended a long bamboo pole with a string of bursting firecrackers dangling from one end, over the dragon's body.

年轻的高忠缚了一串鞭炮在长竹竿上面，手持着竹竿，自己站得远远的，站在墙边一把梯子上，把鞭炮伸到龙身上去燃放。

Now you need to dry it so approach the hook on the right wall (zoom). Attach the clips to the scarf, stretch the string across the hooks and put the wet scarf onto it. Once again go outside.

然后来到右边有钩子的墙上，把绳子放到钩子上，再把披巾和夹子组合放到绳子上晾干。