The test results indicated that straight knife chopper has higher chopping capacity, higher yield of small or fine particles and lower energy consumption than other two choppers.

试验结果表明，直刃刀对青棉秆的一次切碎，能获得细小颗粒产量高、能耗低的满意效果。

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So I use a sharper knife and make a smooth and straight cut.

于是我找了把更锋利的刀顺向纵切。

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Cut straight down, at a right Angle to board. with a quick stroke of the knife blade. pushing the potato slice away from the potato as you hit the board.

笔直往下切，让刀与刀板成直角后刀刃快速下压，切到底时用刀把刚切下来的土豆片推到一边。

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Dr. Rodney Horton, a cardiologist, founded Global Heart after listening to patients complain about not being able to get straight answers from hospitals about procedures' total costs before going under the knife.

FORBES: Magazine Article

With England's fragile middle order exposed, the burly Kallis twisted the knife, trapping Kevin Pietersen for four in his crease attempting to swat a straight ball to leg.

BBC: England toil as S Africa dominate