backswordman使用: make use of; use; employ; ap ...单刃刀: single cutting tool单刃刀: single(-edged) cutting tool单刃刀具: single-point (cutting) tool◇单刃刀具螺纹铣床 single-point tool thread cutting machine单刃刀锯: single edge knife saw下载手机词典可随时随地查词查翻译