英语语法分析

Could you share your experience with us in transcatheter aortic valve implantation?

能否介绍你在经皮主动脉瓣置入方面的经验？

Objective To explore the effect of transcatheter closure patent ductus arteriosus in infants.

目的探讨经导管堵塞婴幼儿动脉导管未闭的疗效。

Transcatheter techniques have been shown to be highly effective in controlling this haemorrhage.

导管技术已经被证明在处理这种出血方面非常有效。