extraction n. 1.抽出,拔出。 2.【化學(xué)】提取(法);萃取(法);回收物,提出物;精煉。 3.精選,摘要。 4.血統(tǒng),家世,出身。 5.【數(shù)學(xué)】開方,求根。 spirit of the first extraction 原汁酒。 a man of foreign extraction 外國(guó)(血統(tǒng)的)人。 extractions from a book 一本書的內(nèi)容摘錄。 an extraction of 81 percent 百分之八十一的出粉率,八一粉。 the extraction of root 【數(shù)學(xué)】開方法,求根法。
The mechanical extraction of sanitised recyclables assists in the achievement of all current and future recycling targets laid down by government and eu legislation 已消毒可循環(huán)垃圾的機(jī)械分離有助于達(dá)到政府與歐盟立法制訂的當(dāng)前和未來(lái)的垃圾循環(huán)目標(biāo)。
Appliances for the instantaneous production of hot water for domestic use operating on propane - air and on butane - air of 25 mj m3 and 24 , 3 mj m3 net calorific value respectively and intended for connection to a vmc system mechanical extraction of combustion products 用25mj m3丙烷氣體和24 . 3mj m3丁烷氣體凈熱值工作的,并預(yù)定與燃燒物的vmc系統(tǒng)機(jī)械抽排裝置連接的家用快速加熱供水設(shè)備
Heating . gas . liquid fuel , solid fuel . boilers with atmospheric burners of useful output no exceeding 70 kw operating on propane air and on butane air of 25 mj cubic meters and 24 , 3 mj cubic meters net calorific value respectively for central heating by hot water and intended for connection to a vmc system mechanical extraction of combustion products 供熱.氣體液體和固體燃料.使用立方米丙烷和立方米丁烷功率在70kw以下并連接機(jī)械抽排裝置的集中供熱常壓式水暖鍋爐