Increase the pressure slowly ( not more than one turn each minute)
A.缓慢增加压力(每分钟不少于过一圈) B.缓慢释放压力(每分钟不超过一圈) C.缓慢增加压力(每分钟不超过一圈)。正确答案C
Increase the pressure slowly ( not more than one turn each minute)
A.缓慢增加压力(每分钟不少于过一圈) B.缓慢释放压力(每分钟不超过一圈) C.缓慢增加压力(每分钟不超过一圈)。正确答案C