R404a/r23

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混合制冷剂R404A

R404a tiết phẩm sản chi

Hfc refrigerant gas r508 r23 r404a r417a r422d widely used-arkool

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霍尼韦尔r404a制冷剂-上海禹美化工有限公司

Gas r404aR407a R404a refrigerant aire freonR290 r23 r134a r508b r407 r1234yf r245fa r600.

Bombola di gas r452a con 5 kg (valvola 1/4")(pdf) r404a-r23 cascade refrigeration system: … cascade refrigeration 混合制冷剂r404aExperimental comparison between r134a/r744 and r438a/r744 (drop‐in.

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Refrigerant – r404a (5.4) iceloongHarp refrigerant gases Fluide frigorigène r452a (xp44)Consider a two-stage cascade refrigeration cycle and a two-s.

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Honeywell r407a-0025 25lb cylinder r407aRefrigerant r404a r23 hfc widely r508 gas used R134a 12kgTag2522z r404a r23 6hp air cooled refrigeration unit ultra low temperature.

R290 r23 r134a r508b r407 r1234yf r245fa r600R134a-r410a-r22-r32-r600a-r1234yf-r407c-r507.jpg Low temperature test chamber r404a r23 refrigerant two cascadeR23压焓图_word文档免费下载_文档大全.