1ȼ
װϰȼܵȼAȼ B1ȼԡB2ȼԡB3ȼԣ λϣAҪǴʯˮƷʯ塢ששƷƷȡ Ҫװΰ塢ȼ˫ٻ塢塢PVCȵȡ
2ҵӦ
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3Ʒص
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4ҵչ
мװΰ壬ʵͻİΪάˮİ壬ȩкʣиǿȡ桢ʡ𡢷ˮ½ܵŵ㣬ֽι̸ڻİϣԳֶЧɷľƻʯЧ̶̳ľΪĵ壬ڲ̶ֶ̳Ҫϸߵijʹá