On the base of current signal lamp, it designs a explosion-flashing alarm lamp with a long life, breadth working voltage, fully functions and convenient in production, management, use and repair.
在现有信号灯的基础上，设计出一种寿命长、适应宽电压范围、功能齐全，便于生产、管理、使用、维修的爆闪式警示信号灯。
Use and repair of ceramic ball heat exchange technique and water cooled cupola with long service life as well as heat energy comprehensive use have been summarized and explored.
就我国首例使用陶瓷球换热技术及水冷长炉龄冲天炉的使用维修和冲天炉的热能综合利用进行了总结和探讨。
Soft handle, all of the imported stainless steel bottom plate, consummate design, convenient repair, check valve steam flow regulation, steam pipe sheath, long life steam valve.
柔软手柄，全部进口部锈钢底板，精良设计，维修方便，回气阀蒸汽流量调节，蒸汽管外套，长寿命气阀。
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