电气化铁路接触网担负着把从牵引变电所获得的电能直接输送给电力机车使用的重要任务。
The important role of electric railway catenary is to transfer electrical energy from traction substation to electric locomotive.
伍德说，“上善若水”机构计划为海地11处乡村地区长期解决用水问题，将清洁用水直接输送到这些地区。
Wood said that charity: water is trying to build what it calls long-term water solutions for eleven rural areas in Haiti which will bring clean water directly to villages.
高压直流输电系统架空线路只需正负两 极导线，可实现大功率、低损耗、长远距离电 力的直接输送；
The overhead line of HVDC power transmission system needs positive and negative leads only, allowing for high power, low loss and long distance power transmission;
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