释义 |
overhead line 基本例句 架空管道,架空线路,架空线 Combinations of both overhead and under-ground HVDC line segments frequently occur.高压直流架空线路和地下线路分段的组合也常采用。 It is difficult to obtain the dynamic models of converters, overlong overhead HVDC lines and passive filters in audio frequency.然而,由于运行工况及气候的影响,难以求取换流器及长距离高压架空线路在音频带内的动态数学模型。 |