塑料是一种不易破损的材料。

Plastic is a tough material.

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单孔式回油，模具采用高碳钨合金钢不易破损。

Punch dies made of high carbon tungsten steel and not easy to wear off.

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本实用新型具有强度大、内衬的软塑不易破损且 清理方便等优点。

The Large trough body of electroplating equipment for containing solution has high strength, is not easy to damage the flexible plastic of the inner liner and is convenient in cleaning.

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