profile extrusion die lips 异型材挤出口模
The die lips are V-contoured to minimize the air gap between the die and the roll nip whenever necessary.
模具口是V型的，为了随时减少模具和辊轴间的空气间隙。
The lips of the just teach many: but they that are ignorant, shall die in the want of understanding.
义人的唇舌教育群众，愚人必因缺乏心智而死亡。
The old man looked bewildered and his lips trembled. "Then he's going to die?"
老人好像听不懂我的话，他的嘴唇直抖：“那它是要死了？”
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