Spare parts for aeroplanes 为什么不是Spare parts of aeroplanes

Spare parts for aeroplanes 为什么不是Spare parts of aeroplanes spare parts for aeroplanes.疑问 Spare parts for aeroplanes"for“是什么意思 Spare parts for aeroplanes are made in Frank's__- 请问:Frank used to make spare parts for aeroplanes.这句话的谓语是used 英语翻译request for spare parts和request of spare parts 翻译spare parts for the human body spare and wear parts 什么是howo spare parts spare parts怎么设置 Spare parts怎么读 trucks spare parts