覆膜
参考答案:
又称贴膜,是将塑料薄膜涂上粘合剂与纸制品经加热加压使它们粘合在一起形成纸塑合一的产品的加工技术。
If you insist on driving like this, you will have to suffer the ____ sooner or later.
A.causes
B.consequences
C.exchanges
D.achievements
扩散的推动力是浓度梯度,所有扩散系统中,物质都是由高浓度处向低浓度处扩散。()