<address id="jntdj"><address id="jntdj"></address></address><address id="jntdj"></address>

<address id="jntdj"><sub id="jntdj"><sub id="jntdj"></sub></sub></address>

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<address id="jntdj"><sub id="jntdj"></sub></address>

<address id="jntdj"></address><sub id="jntdj"></sub><address id="jntdj"></address>

<address id="jntdj"></address>

<address id="jntdj"></address><address id="jntdj"><sub id="jntdj"><thead id="jntdj"></thead></sub></address>

<address id="jntdj"><sub id="jntdj"><thead id="jntdj"></thead></sub></address><address id="jntdj"><sub id="jntdj"></sub></address>

<address id="jntdj"><sub id="jntdj"></sub></address>

陶瓷阀芯

 
 
 
 


关键部件特性说明
和橡胶材料不同,陶瓷阀芯不仅寿命长,并且不会随水流膨胀或收缩(特别是热水)

 

 
 
 
 
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