cementing collar 中文意思是什麼
cementing collar
解釋
注水泥接箍-
Petroleum and natural gas industries - equipment for well cementing - centralizer placement and stop - collar testing
石油和天然氣工業.良好膠結設備.扶正器的放置和限動環的檢測 -
Petroleum and natural gas industries - equipment for well cementing - part 2 : centralizer placement and stop - collar testing
石油和天然氣工業.固井用設備.第2部分:扶正器的放置和限動環的檢測
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