flat inside spin内: inner; inside; within平: flat; level; even; smooth螺旋: corkscrewspin; screw; spiral ...平螺旋: flat spin; horizontal spin; plane spin; spin; flat扁平螺旋钻: pancake auger下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:内平螺旋，即可在微信中查询翻译
