Usually, layer and vertical crack are caused by moulding, and horizontal and reticulate crack are caused by sintering.
通常层裂和竖向裂纹是机压所致，横向裂纹和网状裂纹是烧成造成的。
Blow moulding condition of two-layer film is simulated by MATLAB programming.
采用MATLAB软件编程模拟了双层复合膜的吹塑。
The invention is an integrally blow-moulded bag-in-container (2) obtainable by blow-moulding an injection moulded multi-layer preform (1).
本发明是一种可通过对注射成形的多层预制坯(1)进行吹塑来获得的一体吹塑内装袋容器(2)。
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