空气清净设备 Air Cleaning Equip
清净设备
Purification equipment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
阐述并比较了几种加压设备在乙炔加压清净过程中的性能和特点。
The property and characteristics of several kinds of pressurization equipment in the pressurization and lustration procedure of acetylene were compared.
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