单词	厚壁钻杆--重钻杆
释义	重钻杆 ; 厚壁钻杆heavy wall drill pipe
随便看	oam oamaru oamaru stone o-aminoacetanilide o-aminoacetophenone o-aminoacetophenone--o-acetylaniline o-aminoaniline o-aminoaniline-- o-phenylenediamine o-aminoaniline; o-phenylenediamine o-aminoanisole o-aminoazobenzene o-aminoazotoluene o-aminobenzaldehyde o-aminobenzaldehyde--anthranilaldehyde o-aminobenzaldehyde; anthranilaldehyde o-aminobenzaldoxime o-aminobenzamide o-aminobenzenesulfonic acid o-aminobenzoic acid o-aminobenzoic acid-- anthranilic acid o-aminobenzoic acid; anthranilic acid o-aminobenzoic acid--vitamin l1 o-aminobenzonitrile o-aminobenzonitrile; anthranilonitrile o-aminocinnamic acid lactam