But when pain was caused without any further reduction of safety distance, the dogs suddenly became enraged and came forward aggressively without any regard for their welfare.
但是这些狗在没有减少安全距离的情况下,如果痛感产生,这些狗会突然触懂怒气,并不计后果的攻击。
After the piston rod retracts for a definite distance, the oil return amount of an oil cylinder can automatically reduce to realize speed reduction effect to the oil cylinder.
当活塞杆回缩至一定距离后,油缸的回油量便自动减少,从而实现对油缸的减速作用。
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