Or, you could use a piece of cylinder plus a flat top or whatever you want but not pressing for the origin.
也可以是一部分柱面加上顶面,或者是其他的不含原点的曲面。
2
A flatpressing machine for food packaging bags relates to a packaging machine for food, particularly hot pot flavouring.
食品包装袋压平机，涉及一种食品特别是火锅底料的包装机械。
3
The flat knitting machine with inactive needles here introduced is a modification of traditional manual flat knitting machine, on which the guide CAM and pressing plate are reformed.