释义 |
coun·ter·sink·ing 英'kaʊntəsɪŋkɪŋ美'kaʊntəsɪŋkɪŋ BNC²³⁶²¹³⁺¹ 基本英英记法例句 锪锥孔¹⁰⁰原型countersink的现在分词 动词 countersink: insert a nail or screw below the surface, as into a countersinkounter-P.反对|相反-sink-ing动名词⇒锪锥孔 Point to point systems are suitable for hole machining operations such as drilling, countersinking, couterbofing, reaming, boring and tapping. 点对点数控系统适用于像钻孔、沉孔加工、沉孔镗孔、铰孔和攻丝等。 lw777 |