triple deck screentriple-deck screen三: three层: I storey; tier; stratum筛: sedge三层: three layer; three-layer; three-tier; threeply单层筛: single deck screen; single screen; single-deck screen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:三层筛,即可在微信中查询翻译