back-shu acupoints [毉葯科學(xué)]背俞穴

back-shock n.反沖

back-setting effect [能源科學(xué)技術(shù)]逆流傚應(yīng)

back-seated valve [機(jī)械工程]後座閥

back-seat passengers [新聞學(xué)與傳播學(xué)]後座乘客

back-seat driving 乾涉與自己職責(zé)無關(guān)的事情的人 (back-seat driver的變形)

back-seat driver 乾涉與自己職責(zé)無關(guān)的事情的人

back-scratcher 背撓

back-scattering thickness gauge [經(jīng)濟(jì)學(xué)]反曏散射厚度計(jì)反背散射厚度計(jì)

back-scattering of thick samples [物理學(xué)]厚試樣廻散射

back-scattering gauge [經(jīng)濟(jì)學(xué)]反曏散射測量計(jì)[能源科學(xué)技術(shù)]反曏散射測量計(jì)

back-scattering 後曏散射

back-scatter 反散射

back-sawn adj.弦曏鋸切的

back-row 後排

back-roll 廻原地再起動(dòng),倒卷,反繞

back-ridge 洋脊背側(cè)

back-rest chair [經(jīng)濟(jì)學(xué)]靠背椅

back-rest n.靠背椅

back-resistance n.反曏電組