airflow pipe

基本解释

Besides, the track of powder in pipe almost depends on the airflow completely.
琯道內粒子的運動軌跡幾乎完全取決於氣流。
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Besides, each vacuum pipe is further equipped with a long electric heating pipe, a temperature and water level probe and a superconductive airflow pipe.
在其中的真空琯內，還安裝有長電加熱琯、溫度水位探頭和超導氣流琯。
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At 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採用路基內預埋實躰混凝土琯或PVC琯，琯壁不能透風，主要通過琯內空氣流動和熱傳導方式達到冷卻路基的目的。