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1
ӦȫԶҺ̬עܳͻ ܽͻ ȫԶͻ ʽͻ
ȫԶPVCͷ豸? עܻ 豸U豸
רҵҡעܳͻȫԶPVCעܻҺ̬PVCͻ
ӦȫԶPVCͷעܻݸעܻ?U豸
PVC̱ ͻ ҺPVCעܻ PVC̱ עܻ
зȫԶɫPVC۾עܳ豸? Һעܻ
ӦʽҺעܻ/ϻе/ϳͻ/ҺPVCͻ
ɽͨרҵո豸
ˮ-עܻ/߲˿豸
Ͽˮ豸
Ͱ豸е,-ɽͨع˾
ڶ豸гҳΪṩڶ豸͡ƷơͺŵIJƷϢڶ豸IJƷ۸ͼƬϢѡõĽڶ豸Ʒ