polarized refrigerant oil additive
极化冷冻机油添加剂
NAPHTHENIC BASE REFRIGERATOR OIL AND REFRIGERANT
环烷基冷冻机油和制冷剂
Revamping of the Separator of Screw Refrigerant Compressor Oil
螺杆式冷冻机润滑油分离器的改造
Energy Efficiency Analysis of Polarized Refrigerant oil Additive
极化冷冻机油添加剂的节能性分析
Elastomers is make of Nitvile rubber compounding can resist oil and refrigerant.
采用丁腈合成橡胶，耐油脂和冷却剂。
Action of polarized refrigerant oil additive in economizing operation of refrigeration systems
极化制冷油添加剂在制冷机中的节电作用
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