焊接鉆頭 的英文怎麼說
中文拼音 [hànjiēzhēntóu]
焊接鉆頭
英文
tipped drill-
Welded drill rod and bit for low - compressive strength rock
焊接結構軟巖鉆桿與鉆頭The results have given the reason of tool joint with one side hardbanding and double sides hardbanding could reduce casing wear, and the theoretical foundation and technical guidelines to technology of tool joint hardbanding
分析結果很好地解釋鉆桿接頭單、雙邊敷焊硬化帶降低套管磨損的原理,為鉆桿接頭敷焊硬化帶工藝提供了理論基礎和技術依據。It is welding drills that jion up with bit body, core barrel and adaper. it drills hole quickly and steadily. the surface of drilling and coring is smooth
它是一種焊接式鉆頭,由短鉆頭體,取芯管和接首三者聯結而成,鉆孔快而穩,巖芯表面光滑。
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