在48人的研究中，医生使用喷有药物的球囊。在球囊展开时这些药物将直接挤入动脉壁。
Doctors used balloons sprayed with the drug to press the medicine directly against the artery walls of 48 patients as the device was expanded.
比赛者在比赛中是不能使用球车的，如果球员违反了这个规定，应该怎么处罚？
A condition of a competition prohibits the use of golf carts. If a player infringes this condition, what is the penalty?
通过球磨机磨球的实际使用情况，从化学成分、金相组织及热处理等方面论证了新型贝氏体磨球在实际应用中的可靠性和优越性。
Through the usage of the balls of ball-mill the reliability and superiority of the new pattern Bainite balls in respects of chemical components, microstructure, heat treatment have been proved.
应用推荐