你以掌心握住杆的一端，手指套进护手。
It's a spear-thrower. You hold one end in your palm, strapped to your fingers.
同样的拇指损伤能够被滑雪时的摔倒导致，受到滑雪杆上护手带的扭力。
The same thumb damage can result during a fall while skiing, from the torque of the pole strap.
通过多种采矿方法的技术经济分析，认为采用锚杆护顶的全面采矿法较为合理。
Technological and economical analyses show that the breast stoping with roof bolting is more reasonable than others.
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