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   English ⇄
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pounds per inch of bit diameter
gen. 每英寸钻头直径磅数
dril. 钻压; 每英寸钻头直径上的压力磅数; 钻头直径的每英寸磅数钻压
earth.sc. 钻头直径每英寸磅数钻压
oil 钻头直径每英寸磅数 (钻压)
 English thesaurus
pounds per inch of bit diameter
abbr., oil p.i.b.d.

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