The roller of the threshing machine is a disk chuck open type roller.

脱粒机构的滚筒为花盘开式滚筒。

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While for the special part and location, we use impact-type roller RCC.

对特殊地段及特殊部位，采用冲击式压路机碾压。

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So, the correctness of the design of the new type roller can be tested, and the condition of meshing of c...

从而可以直观地考察所设计的共轭曲面的正确性和啮合情况，探索修改辊面的途径。

youdao

Letter by letter, his ink-stained fingers hand-set type, ink the raised letters with a hand-roller, then crank heavyweight paper through an old-fashioned letterpress.

FORBES: Gutenberg revisited