那汽车[发动机]发生逆火引起爆鸣.The car / engine backfired noisily.在熄灭或控制森林大火蔓延中燃起或使用逆火.To start or use a backfire in extinguishing or controlling a forest fire.突然响起一声爆裂声 —— 像汽车的逆火声.A sudden report rang out -- like the sound of a car b...
Methods After epluchage with tianqi powder vaseline gauze and cephalosporin for exter - nal application.方法田七粉凡士林加先锋铋外敷.Do not use Vaseline or other petroleum - based products on EPDM seats.在三元乙丙橡胶(EPDM)阀座上不要使用凡士林或其它石油基产品...