Owing to the complicated situation and environmental factors,the joint was the weak link of the drill equipment.
在钻井过程中,钻杆接头受力复杂、工作环境非常苛刻,它往往是钻井设备与工具中的薄弱环节。
参考来源 - API石油钻杆接头应力分析及结构改进研究Large number of high-voltage electric power network equipment itself and the connection between devices is the weakest link in the power transmission, the weak link in question is connected to the real point of heat.
电网中众多高压电气设备本身和设备之间的连接点是电力输送最薄弱环节,这个薄弱环节的实质问题就是联接点发热。
参考来源 - ZigBee无线传感器网络自定义拓扑研究及其应用·2,447,543篇论文数据,部分数据来源于NoteExpress
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