dilator例句

Of the extrinsic muscles, the levator labii superioris alaeque nasi is the most important dilator.
鼻外肌群中, 提上唇肌是最重要的扩张肌.

It indicates that bollon dilator has good long term effectiveness for postoperative anastomotic stricture.
结果显效率为87.8%,且无复发,远期疗效甚佳.

Before application, the dilator has to be localized where tracheal puncture is performed.
在临床使用前, 先行气管穿刺,并使扩张器处于气管穿刺口的位置.

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