线路环节 line link
- 铁路道岔及其转换设备是铁路线路中至关重要的设施又是轨道中的薄弱环节。
The rail switch and converse equipment are very important, but unfortunately it is a weak link in railway. - 掌握继电一接触式控制设备的控制线路的检修,是职业技能要求的重要环节。
A very important link that vocational skills require is to grasp overhauling the circuit of relay-contact controlled equipment. - 基础施工是送电线路工程施工重要环节。
The foundation construction is a key part of transmission line project construction.
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