in situ observation
... 原位监测 in situ monitoring 原位观测 in situ observation 离开原位 dislodge ...
SEM in situ observation
...线钢;夹杂物;原位观测;裂纹萌生和扩展;断裂 [gap=1238]Key words:X80 pipeline steel; inclusion; SEM in situ observation; crack initiation and propagation; fracture ...