基本解釋左螺旋；左轉(zhuǎn)螺釘英漢例句雙語例句The medical orthopaedics left-hand tap solves the tapping problem of the left-hand screw.本實用新型 解決了左旋螺絲釘?shù)墓ソz問題。ip.comThe conventions of electricity generating, electricity receiving, left-hand screw and right-hand screw.引入了發(fā)電慣例、收電慣例、左螺慣例、右螺慣例等概念。left hand screw更多例句詞組短語短語Left -hand-screw 左旋螺栓left -hand d screw drill pipe 左螺旋鉆桿right -and-left-hand-screw clip 左右向螺桿夾left hand screw更多詞組專業(yè)釋義機械工程左轉(zhuǎn)螺釘