林赛说：“我非常担心在第一次旅程后，航拍无人机就会不见了。”
"I was very concerned they'd come back from the first trip without the drone, " says William.
荷航总经理卡米尔·厄尔·林斯在声明中称，使用这种新型生物燃料时，不需要改造飞机发动机。
KLM managing director Camiel Eurlings said in a statement the airline does not have to make any changes to its aircraft engines to use the new biofuel.
林滨，陶澍，曹军，刘晓航，刘广君，伊春河流域土壤与沉积物中水溶性有。
Contents and sorption coefficients of sediment and soil samples from Yichun River catchment were measured using a Multiple Solid-Water Ratio Procedure. The …
林滨，陶澍，曹军，刘晓航，刘广君，伊春河流域土壤与沉积物中水溶性有。
Contents and sorption coefficients of sediment and soil samples from Yichun River catchment were measured using a Multiple Solid-Water Ratio Procedure. The …
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