Drawings marked out board, beams, stringers, turn around, slide blocks and other dimensions, indicating the beams, stringers, small beam structure.

图纸中标注出门板、横梁、纵梁、调头、滑块座等的尺寸，标明横梁、纵梁、小横梁的结构等。

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Through the actions of slide blocks and converse upsetting lever driven by the wedges, the final forming of the part is finished, so precision of the part and productivity improved.

模具通过斜楔驱动滑块和反镦杠杆完成零件的最终成形，提高了工件精度和生产效率。

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slide appears: "Elementary particles are the building blocks of all matter everywhere in the universe.

幻灯片出现：”基本粒子组成了宇宙里的所有物质。

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And finally, just before you head out to sea, you will pass a series of fascinating ice-making houses where huge blocks of frozen water slide down rollercoaster runners and into the waiting boats.

BBC: Bangladesh��s lesser-known charms