Onan
油浸自冷（变压器冷却方式，Oil Natural Air Natural）
🗣️ 情景例句
Small world. I'm from Titusville, too.
世界真小。我也是从Titusville来的。
Your history paper is due.
你的历史课作业该缴了。
When a plane from London arrived at Sydney airport, workers began to unload a number of wooden boxes which contained clothing.
当一架来自伦敦的飞机抵达悉尼机场时，工人们开始卸下装有服装的一批木箱。