annual layer年: year积: amass; store up; accumulate层: I storey; tier; stratum积层: (frp) lamination (or lay up); accumulation layer; buildup; lamination年积金: annual accounting date; annual allowance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:年积层,即可在微信中查询翻译