The mean geometric free path or the characteristic dimension of a container is the important physical magnitude in describing the heat motion of gas molecules under low pressure.
几何平均自由程或容器的特征尺度是低压下描述气体分子热运动的重要物理量。
The combination of heat, motion and pressure cleans recyclable items, even washing off labels and glue.
在热压灭菌器内，可回收废弃物在高温、高压和旋转搅拌的共同作用下，被彻底清洁，甚至标签和粘胶都被完全清洗掉，一点痕迹都不留。
The combination of heat, motion and pressure cleans recyclable items, even washing off labels and glue.
在热压灭菌器内，可回收废弃物在高温、高压和旋转搅拌的共同作用下，被彻底清洁，甚至标签和粘胶都被完全清洗掉，一点痕迹都不留。
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