vacuum range的意思|示意

Vacuum drying can be applied in a range of processes in several industries, including chemical, pharmaceutical, food, plastics, and metal powders.

真空干燥过程中可以应用在一个范围在几个行业，包括化工，制药，食品，塑料，金属粉末。

The pump features a variable discharge port design which adjusts automatically to the internal compression ratio of the vacuum pump resulting in maximum efficiency throughout the vacuum range.

我们公司生产的液环真空泵，具有不同的出料口，自动调节内部压缩率，已达到最大的真空效率。

Thus they can provide a clean vacuum over the entire vacuum range. Dry pumps require little maintenance and don't generate any waste material.

无油真空泵提供了完全洁净的真空环境，泵体本身无需保养，而且不会产生任何污染物。