pgb 中文意思是什麼
pgb
解釋
多 發些歌拿點錢-
If pre - drilling mode was taken in an offshore oil development, pgb - free well drilling technology might be adopted for supplementary wells when the pgb slots were totally occupied
摘要採用預鉆井方式開發的海上油氣田，對水下鉆井基盤鉆井槽孔用完后增鉆的調整井，可採用無基盤鉆井方式作業。 -
Abstract : this paper briefly reviews the use of precision guided bomb ? pgb ? in morden conflicts, describes classification, characteristics and key technologies of pgb, predicts the development trends and gives four examples of new pgb, at the end proposes that the problem of how to intercept pgb must be emphasized
文摘:簡要回顧了精確制導炸彈在現代局部戰爭中的使用情況，論述了精確制導炸彈的分類、特點和當前研製的重點技術、項目及發展趨勢，最後警示對這種新的空中威脅必須引起防空界的高度重視。 -
Set the 30 " conductor head onto the pgb
把30 "導管頭座到永久導向架里。 -
Run the pgb and land in the tgb
將永久導向架下到臨時基板上。 -
This paper describes in detail the characteristics of pgb - free drilling technology, selection of spud - in mode and related technical approach in application of the technology, as well as introduces the first practical implement case in cnooc ' s pinghu gas field in the east china sea
對無基盤鉆井技術的特點，以及在東海平湖油氣田應用該項技術時開眼鉆井方式的選擇、相應的技術措施作了詳細闡述，並介紹了現場實施情況。
分享友人