NIBCO provides static grounding standard on most carbon, stainless steel and bronze three-piece ball valves. See product pages for availability.
在美国尼必可大多数碳钢球阀、不锈钢球阀和青铜三件式球阀上，静电接地都是标准配置。请参阅使用的产品样本。
An assembled hollow grounding equipment including grounding lead-out wire features that it is made up by fastening a lead-out wire to a hollow metal ball.
一种空腹装配式接地装置，由接地引线等组成。其特征是这种装置由引线与一个金属空心球状体紧固构成。
An assembled hollow grounding equipment including grounding lead-out wire features that it is made up by fastening a lead-out wire to a hollow metal ball.
一种空腹装配式接地装置，由接地引线等组成。其特征是这种装置由引线与一个金属空心球状体紧固构成。
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