Contrapropeller
整流（螺旋）推進(jìn)器, 整流螺旋槳, 同軸反轉(zhuǎn)式螺旋槳
??? 情景例句
You can watch the web-cast of this program if you have broadband access to the internet.
如果你能用寬帶上網(wǎng)的話，你能在網(wǎng)上收看到這個節(jié)目。
Since we need the goods urgently, we must insist on express shipment.
由于我方急需這批貨物，我方堅持使用快遞裝運。
If then we are so certain that other intelligent life exists in the universe,
既然我們?nèi)绱藞孕庞钪嬷写嬖谥渌兄橇Φ纳?/div>
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