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Terms for subject Drilling containing 上游 | all forms | in specified order only
ChineseEnglish
上提井内管柱时滚筒、天车或游动滑车上的钢丝绳的起始受力点pick-up point
振动筛上游的沉砂池belly
游动滑车上升最高点upper pickup
重新在天车游车上穿大绳restringing blocks