常見例句雙語例句Besides, the track of powder in pipe almost depends on the airflow completely.管道內(nèi)粒子的運動軌跡幾乎完全取決于氣流。www.www.cnpowder.com.cnBesides, each vacuum pipe is further equipped with a long electric heating pipe, a temperature and water level probe and a superconductive airflow pipe.在其中的真空管內(nèi)，還安裝有長電加熱管、溫度水 位探頭和超導氣流管。ip.comAt present, the ventilation pipes are generally made by concrete or PVC without holes on the pipe walls, whose cooling effects are realized by airflow and heat transference.目前的路基通風一般采用路基內(nèi)預埋實體混凝土管或PVC管，管壁不能透風，主要通過管內(nèi)空氣流動和熱傳導方式達到冷卻路基的目的。 返回 airflow pipe