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；
The adhesive force between the coating and the magnesium substrate has been estimated by using bend test, file test, and scribe test.
采用弯曲法、锉刀实验法和划线划格实验3种镀层结合力测试方法，对化学镀镍层与镁合金基体之间结合力的优劣进行了定性评价。
The modification effects on diglycidyl ether of bisphenol A(DGEBA, epoxy resin E-44)were studied by impact test, tensile test, bend test and SEM.
通过冲击试验、拉伸试验、弯曲试验和扫描电镜（SEM）观察等方法，研究了星形聚醚环氧树脂对E-44环氧树脂的改性作用；
Metallic materials. Tube (in full section). Bend test.
金属材料。管材(全截面)。弯曲试验。
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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