软质密封垫对法兰面的光洁程度要求低很多，这是因为，它容易变形，能够堵死加工刀纹，从而防止了泄露。
Soft gasket to the bright and clean degree flange low demand a lot, because, this is, it easily, can change processing knife lines, and can prevent the leakage.
我注意到他的脖子上纹着一只老鼠——那是个刚刚被扎了一刀、正在哭叫的老鼠。
I noted that Rogan had a tattoo of a rat on his neck, a rat that had just been knifed and was crying.
工匠运刀似笔，纹饰随着刻纹的粗细、宽窄、深浅变化，把图案表现得栩栩如生。
The craftsman knife like a pen, with the decoration groove of the thickness, width and depth change, the pattern was true to life.
在避免纸毛方面，直纹刀比横纹刀好；在使用寿命上，矮锋刀比高锋刀好。
To avoid paper maoba, ruled than perpendicular to the knife; in working life, short front than Kao Hong knife.
目的：探讨金属丝手术刀皮下切割治疗眉间纹、鼻唇沟纹并发症的形成原因、预防及治疗。
Objective: To discuss the cause of glabellum wrinkle and nasolabium wrinkle formation and its treatment and prevention.
如果以齿纹中点法剖面作为齿形检测和设计剖面，用平面啮合法设计花键滚刀时，则齿形误差最小。
If the normal section in the center of the tooth line is taken as a tooth measuring and design section, when spline hob is designed in a plane meshing, the tooth profile error is minimum.
提出一种用三坐标数控磨床加工直纹面的刀位计算方法 。
A method is presented which can be used to machining a ruled surface with a 3axis grinding NC machine.
提出一种用三坐标数控磨床加工直纹面的刀位计算方法 。
A method is presented which can be used to machining a ruled surface with a 3axis grinding NC machine.
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