pole top transformer 杆顶变压器 ; 柱上式变压器
pole top switch 柱上开关
pole top cover 电极顶盖
pole top 柱上
pole top breaker 柱上开关
pole top extension 杆顶接高
pole with top [林] 原条
pole top tra former 杆顶变压器
Hoist the flag to the top of the pole.
把旗升到旗杆顶端。
The Zeppelin research station is situated on a mountain top approximately 1100km from the North Pole.
齐柏林研究站位于离北极约1100公里的一个山顶。
The white material at the top of the cliff, near the planet's North Pole, is carbon dioxide ice.
照片上显示的悬崖上的白色物质是位于火星北极地区的干冰。
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