plug gauge形: form; shape测: survey; fathom; measure孔: hole; opening; aperture规: instrument for drawing circl ...圆柱: column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:柱形测孔规, (圆柱)塞规,即可在微信中查询翻译