cooling duct的用法和樣例：
例句
- The need for periodic cleaning and flushing of cooling passages is eliminated.
避免了對冷卻通道進(jìn)行定期的清洗和沖刷。 - An annular cavity placed around the anode of arcjet was designed to form a regenerative cooling channel on the base of an arc jet.
該文在原有電弧加熱發(fā)動(dòng)機基礎上進(jìn)行改進(jìn)，設計了覆蓋發(fā)動(dòng)機陽(yáng)極的環(huán)形空腔，形成再生冷卻通道。
