cogging-down roll 开坯机轧辊
hold down roll 压紧辊 ; 压辊
knock down roll 压低辊
getting-down roll 开坯机座轧辊
breaking down roll 开坯轧辊 ; 粗轧轧辊
gear-down roll 起落架放下的横滚
cogging down roll 开坯机轧辊
In mid-afternoon, shopkeepers began to roll down their shutters.
下午三点钟左右,店主们开始摇下百叶窗。
The car began to roll back down the hill.
汽车开始倒着往山下滑。
It can sit down, roll over, and even play dead.
它会坐下、打滚,还会装死。
He also had the idea that he would make it narrow enough so that when you're boarding an airplane you can still roll it down the aisle of the airplane-- it just fit perfectly.
他还想到要将把手弄的窄一点,以便登机进通道的时候,还能拖着箱子走-,这非常符合当时的需要。
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