Antifreezing is always a notable problem in the start-up in winter, shutdown process and lowload operation period of air cooling condenser of large size direct air cooling unit.
大型直接空冷机组空冷凝汽器在冬季启动、停机过程以及低负荷运行阶段的防冻问题尤为突出。
2
On the basis of experiment research, the internal force of high strength bolt joint area of steel beams and concrete walls within steel profiled bar was analyzed under the lowperiod cyclic load.
在试验研究的基础上，对钢梁与钢骨混凝土墙高强螺栓连接节点在低周反复荷载作用下节点域的内力进行分析。
3
In the same way, we should consider the problem that reactive power surplus and over-voltage during the period of low-water and low load.