sieve slotted-hole长: older; elder; senior孔筛: hole sizer带长孔筛的: thickness grader横向长孔筛: lateral-slotted screen圆孔和长孔筛片: perforated plate with round and elongated apertures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:长孔筛,即可在微信中查询翻译