The specimen after test can be judged the resistance by the loss or surface.

可依重量损失或表面磨损状况判定耐磨等级。

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In the city, is under the surface prosperous painfully of emotional loss.

在都市的表面繁华下，是令人痛心的情感缺失。

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In the city, is under the surface prosperous painfully of emotional loss.

在都市的表面繁华下，是令人痛心的情感缺失。

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