Fire hydrant system and sprinkling system should be connected by galvanized steel pipe of threaded connection.消火栓系统与喷淋系统管材采用热镀锌钢管丝扣连接.Ideal for use with client's existing hydrant meter hookup.特别适用于用户现有的消防栓仪表连接.It is...
双方将在12月16日再次交锋以争夺进入四分之一决赛的席位。The sides must battle again for a quarter-final place on December 16.候选人在电视辩论中当面交锋。The candidates confronted each other during a televised debate.思想的交锋使辩论熠熠生辉。The interchange of ideas illumin...