Tap valve on the common market, there are three: stainless steel ball valve, ceramic valve core and valve shaft roll style.
市场上常见的水龙头阀芯有三种：不锈钢球阀，陶瓷片阀芯和轴滚式阀芯。
Tap valve on the common market, there are three: stainless steel ball valve, ceramic valve core and valve shaft roll style.
市场上常见的水龙头阀芯有三种：不锈钢球阀，陶瓷片阀芯和轴滚式阀芯。
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