单词	单[一]穿孔
释义	单[一]穿孔simple perforation
随便看	mechanical torque convertor mechanical torque rate mechanical torsional mechanical track maintenance mechanical transducer mechanical translation mechanical translation language mechanical translation language，mt mechanical translation, translation mt mechanical transmission mechanical--transmission mechanical transmission system mechanical transmitter mechanical transport mechanical treatment mechanical trigger mechanical tube length mechanical tuning mechanical turbulence mechanical twin mechanical twin; glide twin mechanical twinning mechanical twins mechanical-type manometer mechanical unit