Get ready for swabbing.

做抽汲准备。

As long as the finger is clean it does not need swabbing.

只要手指干净的时候，并不需要擦洗。

The driller is to trip off bottom and out of the hole at a speed that will not cause swabbing.

司钻要用一个对井底不会产生抽吸的速度进行起钻。