This paper deals with quality of machining for die including grinding, extrusion, surfacerolling and electrical machining.
模具的切削、磨削、车挤、滚压和电火花加工的质量是对模具寿命的影响的因素。
2
As chemical precursors stream onto the surface of a rolling metal or plastic substrate, they react with one another to form a network of nanoparticles.
各化学母质流向滚动中的金属或塑料基片的表面，他们互相作用，形成一层纳米级微粒网状结构。
3
The new moon that appeared in late April started the ball rolling in your career, so you should continue following up on any career offers that surface.