制冷剂瓶 refrigerant bottle ; [制冷] refrigerant cylinder ; refrigerant cylinder gas bottle
制冷剂钢瓶 refrigerant cylinder
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环保型保鲜剂对延缓叶片衰老和延长瓶插寿命有较好效果，且达到了含有银制剂的保鲜剂处理效果；
Preservative solutions without pollution help to postponing senescence of leaves and prolonging vase-life, and get the same effect with argentums preservative solution.
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