As a result, large areas of overlapped clad layers are free from cracks.

获得了无裂纹的大面积搭接熔敷层。

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Before an abrasive wheel is mounted, it should be inspected closely to be sure that it is free from cracks or defects.

安装砂轮之前，应该仔细检查砂轮，以确保没有裂纹或缺陷。

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Pipe shall be homogeneous throughout, free from cracks, holes or foreign material, and shall be free from blisters, dents, ripples, die and heat marks.

管子应通体均匀，无裂纹、无孔眼或杂质，还应无气泡、凹痕、波痕、拉模划痕和热痕。

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The pieces have free-flowing edges, dovetail joinery, inlaid butterfly-shaped bridges of contrasting wood that stop natural cracks from spreading and at least four coats of a hand-rubbed oil finish.

FORBES: Trees with souls