They have a precision ground finish on both sides to prevent packing and seat damage.
闸板两侧经过精密的精磨加工工艺，能够防止密封填料和阀座的损坏。
RIB STOCK : Extra steel left on green product to be ground during the finish grind operation.
边角料：在抛光研磨的操作中，从毛胚件上被去除的多余钢材。
The finish ground gate is also stainless steel.
抛光的底部闸板材质也可以是不锈钢。
Seat face Stellited, ground and lapped to a mirror finish.
钨铬钴合金面阀座，经过研磨抛光达到镜面抛光度。
Welded joints shall be ground to a smooth, uniform finish.
焊缝接头应打磨到光滑平整。
The complex will officially break ground next year (2016) and finish by 2018.
该综合体将于明年正式动工，预计于2018年竣工。
Seat face Stellited, ground and lapped to a mirror finish.
阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。
Seat face Stellited, ground and lapped to a mirror finish.
阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。
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