The paper introduces the main functional design of a kind of small cutting coal machine with hydraulic fork lift as feed power and chain-saw cutting knives driven by generator as working head.

论述了一种利用液力叉车作为进给动力，由电机驱动链锯式割刀作为工作头的小型立式割煤机的主要性能设计。

youdao

We use knives for cutting.

我们用刀来切割。

youdao

Knives are used for cutting.

刀是用来切东西的。

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According to FBI statistics, 352 people were killed last year with rifles, 424 with shotguns, 1, 836 with knives or cutting instruments, 623 with hammers or other blunt objects, 815 with personal weapons defined as hands, feet and fists, and 122 by strangulation.

FORBES: Why Gun Regulation Is Uncivilized

Since they can be used for cutting, slashing, spearing and pricking, knives have known more uses than it would be possible to count.

FORBES: No. 1 The Knife