[wangzhe12588]最近的动态

河北衡水市翡翠华庭“4·25”施工升降机轿厢重大坠落事故11死2伤！安全员、副经理判刑5年！项目经理、安全科长等判刑3年！--- 11 dead and 2 injured! Safety officer and deputy manager sentenced to 5 years in prison! The project manager, safety section chief and others were sentenced to 3 years in prison! 

设备驻车再生全攻略——卡尔玛助您解决机车DPF颗粒过滤器堵塞问题--- A complete guide to equipment regeneration when it is parked - Kalmar helps you solve the problem of clogging of the DPF particulate filter in your locomotive 

别在找借口没地方挂安全带，给你整理了28种不同环境下安全带挂法，快转给一线员工！--- Don’t make excuses because you don’t have a place to hang your seat belt. We have compiled 28 ways to hang your seat belt in different environments. Please pass it on to frontline employees! 

轴承保持器是什么？轴承保持器的材质有哪些？

《建筑防火通用规范》GB 55037-2022学习（41）——相邻楼梯间的开口距离是否应不小于1m？

转载 | 岸边集装箱起重机前大梁多箱位空中加长技术方案 | 港口科技

3D动画演示：空气开关的工作原理 --- 3D animation demonstration: How the air switch works

【电气知识】史上最全面的电机知识解说，从电机分类到选型，妥妥的干货！[Electrical Knowledge] The most comprehensive explanation of motor knowledge in history, from motor classification to selection, all the essential information! --- 

各种电机原理“动态剖析图”-一目了然"--- Dynamic analysis diagram" of various motor principles-clear at a glance 

PLC工程师都应了解的3种伺服电机控制方式 --- 3 servo motor control methods that all PLC engineers should know