先在塑料板上要钻孔的地方切一个小十字。

Just cut a small cross in the plastic at the spot you will drill.

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在趾板混凝土施工前必须对趾板区基础的地质钻孔、探硐、断层破碎带等进行处理。

The geological boreholes, exploratory adits and fault crushed zone in the plinth foundation area must be disposed before plinth concrete construction.

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厢式车的车厢是由多块发泡板为主要材料的平板拼装而成，成型过程由拼装、焊接、钻孔、铆接等工序组成。

The vehicle compartment is made by the multi - blocks foaming boards as main material assembling, the shaping process by working procedure is putting, welding, drill hole, riveted joint.

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