设计开发了红钢热送车车厢的自动开启系统，解决了在车厢门开启状态下开车和车辆行驶过程中箱门意外打开等安全隐患。
An automatic unlock system of hot steel thermal conveyor carriage is designed, hidden problems such as car is driven when door is open or door is unexpected open when car is running are resolved.
在工具钢中可进步红性。
钨能进步钢的红硬性和热强性，并能进步钢的耐磨性。
Tungsten can improve the hardness and thermal strength of steel, and can improve the wear resistance of steel.
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