那条狗毫不费劲儿地从大门栅栏中间钻了出去。

The dog squeezed himself through the bars of the gate with no difficulty at all.

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巢套板由木头或聚苯乙烯制成，中间钻有小孔，以便蜜蜂用来筑造用树叶做成的巢穴。

Made of wood or polystyrene, nesting boards have holes drilled in them for bees to use to build their leafy nests.

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许多沟槽切割工具使用临别，然后钻了一个洞是从中间的每一端。

Many grooves are cut using the parting tool and then a hole is drilled down the middle from each end.

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