Metallic materials. Tube (in full section). Bend test.
金属材料。管材(全截面)。弯曲试验。
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；
E. teacher determined to bend me over and give me a scoliosis test.
还有那个总想逼我弯腰，给我做脊椎侧凸试验的永不言弃的体育老师。
E. teacher determined to bend me over and give me a scoliosis test.
还有那个总想逼我弯腰，给我做脊椎侧凸试验的永不言弃的体育老师。
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