常見例句雙語例句School children have been evacuated from this Phoenix school after a body was found in an air conditioning duct above the cafeteria.在菲尼克斯的一所學校的自助餐館上面的空凋管道內發(fā)現(xiàn)了一具尸體后，學生全被撤出。The contamination in the central air conditioning duct system is the one of the principal contamination of the indoor air, it include inhalable particle and microorganism.中央空調通風系統(tǒng)送風中的污染物是室內空氣的主要污染源之一，主要的污染物是可吸入顆粒物和微生物。In this paper we designed a robot for central air conditioning duct cleaning on the basis of features of central air conditioning in China.針對目前國內中央空調特點，設計了一種專門用于中央空調管道清掃的機器人。 返回 air conditioning duct