R22环保制冷剂环球冷媒HFC-134a雪种制冷剂立企F12冷媒蓝雪134A冷媒凉企134a冷媒雪田环保134a冷媒汽车环保雪种冷媒环保冷媒134A250G厂家***雪种制冷剂冷媒雪种制冷剂冷媒R410a霍尼韦尔冷媒/制冷剂R407C制冷剂高纯度汽车冷媒雪种环保制冷剂高纯度冷媒薄铝罐精装冷媒汽车雪种R134aR22金典制冷剂制冷剂/冷媒/氟利昂/雪种/批发13.6kg)