Metallic materials. Tube (in full section). Bend test.

金属材料。管材(全截面)。弯曲试验。

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For forward bend test, if no asymmetry was found, the test was negative;

当前屈试验时背部没有不对称，则为阴性；

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For forward bend test, if no asymmetry was found, the test was negative;

当前屈试验时背部没有不对称，则为阴性；

youdao