Their purpose is often suited to situations where torque is applied from two directions, as they are designed toofferresistanceto externally applied pressures.
这种弹簧通常是两个不同的扭转方向，因为他们在操作中主要用于阻止压力。
2
This catalyst is superior to other industrial catalysts in catalytic activity and can offerresistanceto sulfur poisoning and shows a continuously increasing and more extensive application prospects.
在催化活性和抗硫中毒性能方面优于已工业应用的催化剂，具有广阔的应用前景。
3
Then, in the Middle Ages, engineers discovered that such supports would last even longer if their downstream side was also shaped tooffer little resistanceto the current.