英语语法分析

Position the respirator under you chin with the nosepiece up.

将呼吸器置于下颚下端，并且将鼻梁夹朝上。

If during either step, air leaks around the nose, readjust the nosepiece as described in step 5.

如果在这两个过程中发现有空气从鼻梁附近泄漏，按步骤5的方法重新调整鼻夹。

Objective To explore the treatment of floating mid-nosepiece after endoscopic sinus surgery (ESS).

目的探讨鼻窦内窥镜手术后对漂移中鼻甲的处理方法。