Wires: Stainless steel wire, galvanized wire, black iron wire, PVC wire, the cutting wire used in construction.
丝类：不锈钢丝，镀锌铁丝，软质黑铁丝，PVC丝，建筑用截断丝。
The black abstract material which sticks to inside crack of the sample machined by wire-electrode cutting is analyzed and studied by using scanning electron microscope and X-ray energy spectrometer.
应用扫描电镜及X射线能谱仪等设备，对采用线切割制取的裂纹样品内表面的黑色不明物进行了分析。
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