Each hand wheel shall be fitted with a circular nameplate which is in English language on Stainless steel material, indicating the valve number.

 
  • 每个手轮(操作盘/驾驶盘)的不锈钢部分须帖有相对应的英文铭牌;注明阀门号(这个就不太懂;不知道是什么阀门号码).
今日热词
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