As a result of a secondary vacuum infusion molding of advanced production technology, so the overall solidsheet without holes, stains can not easily enter the .
由于采用了二次真空灌注成型的先进生产工艺，所以板材整体实心无孔，污渍不能轻易进入。
2
Layers are bonded into a rigid structure that appears and functions as a solidsheet or plate. The finished Shims withstand reasonable handling, including shearing and machining.
我们使用精密金属箔层粘合起来，具有一定刚性，以保证垫片承受剪切和机械加工等。
3
But the Greenland ice sheet is not one solid, smooth mass of ice.