... 载重线合格证定期更新：periodical loadline renewal 载重线规则：load line rules 载重线公约;《船舶载重线公约》：load Line Convention ...
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A direct operation way of replacement line breaker on load by using line jumper was introduced, which is in accordance with the safety codes and the hot line maintenance rules.
阐述了使用线路跨接器带负荷更换线路断路器的直接作业方法。该方法符合安全规程和带电作业规程的要求，具有实用性。
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