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单词
impregnated diamond bit
释义
impregnated diamond bit
Encyclopedia
理学
孔内钻具
释
impregnated diamond bit
孕镶金刚石钻头
细颗粒金刚石包镶在胎体内的金刚石钻头。因使用人造金刚石,又称为人造孕镶金刚石钻头,广泛用于硬地层钻进中。
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Written interview
written language
written language and literature of the Shui nationality
written law
written law carved on bamboo slips
written-news sheets
Written on Bamboo and Silk
Written on the Red Leaf
written proclamations for admonishment
written proposal
written report to a superior official
written rocord of lawsuit
written statement to a superior official
written torah
W. Ritz
W. Ritz (1878—1909)
WR nebula
Wroclaw
wrong character
Wrongskian
Wronski
Wronskian
Wronskian determinant
Wronski determinant
Wrottesley crater
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更新时间:2026/7/2 16:33:03