词汇	The fireproof wall
释义	The fireproof wall 防火墙
随便看	double directives of EU Double Dirichlet series double disc double-disc double disc airflow crusher double-disc cycloid gear double-disc device double disc drill colter double-disc drill coulter double disc electrophoresis Double Disc Flat Gate Valves double disc friction screw press double disc gate valve double disc grinder double disc grinding machine double discharge doubledischarge gear pump double discharge gear pump double-discharge gear pump Double discharge initiated HF laser double discharge initiated HF laster double discharge pump double-discharge pump double discharge runner double discharge spiral water turbine