internal drop hammer 内部吊锤 ; 管内落锤
internal brush drop 电刷内部压降
internal doublerun drill drop 内压降
It even has its own internal storage where you can drop your PowerPoint files and run your whole presentation straight from the device.
它甚至有自己的内部存储,你可以把自己的PPT文件放进去,从而可以直接从该设备运行整个演示。
More efficient internal-combustion engines will wring out mileage from every drop of fuel, and hybrid powertrains will combine an electric motor with a conventional engine.
更高效的内燃发动机将进一步节约油耗,混合动力装置把电动马达同传统引擎组合在一起。
If adopted across Europe, fuel costs (and pollution) for internal flights would drop by more than 8%, says Mr Fulton.
富尔顿先生说,若全欧都应用此系统,燃油成本和污染减少会多于8%。
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