煤油炉生产成套设备: complete set of kerosene burner production line
打气: 1.(充气) inflate; pump up; air inflating 短语和例子给车胎打气 inflate a tyre; pump up a tyre2.(鼓动) bolster up the morale; boost the morale; encourage; cheer up 短语和例子打气撑腰 brace and bolster; 打气不足 under-