three-layer composite materials
three-layer composite materials
三层复合材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。
-
The sterilized temperature of ordinarily retort pouch is below 120 degrees, most of them are made by two-layer or three-layer composite materials, with more than six months storage life.
普通杀菌袋一般在 120 度以下加热杀菌，大多是有两层至三层复合材料制成。
youdao
更多双语例句