grating groove光栅: raster; optical grating; gra ...刻线: groove; scratch槽: trough; manger光栅刻线: grating line; grating ruling; gratingruling光栅刻线机: grating dividing engine; grating-ruling engine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:光栅刻线槽,即可在微信中查询翻译