她注意到商店窗户上贴着一些柴油引擎保养的广告。
She'd noticed in the window an AD for some kind of Marine engine treatment.
学习美国利用海藻生产柴油或喷气机引擎燃料的燃油技术。
To learn technology on producing diesel or fuel of jet engine with algae from America.
学习美国利用海藻生产柴油或喷气机引擎燃料的燃油技术。
To learn technology on producing diesel or fuel of jet engine with algae from America.
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