drill jig for air cylinder风箱: bellows钻: drill; auger模: mould; pattern; matrix钻模: drill jig; drill plate; drilling jig; drilling plate; jigs风箱: [工业] bellows; air box; air chest; blast box; wind belt; wind-box 拉风箱 pump the bellows; bending and stretching 下载手机词典可随时随地查词查翻译
