bellow expansion joint
常见例句
- By using visual examination, scanning electronic microscope, X-ray energy spectrum and metallurgy and chemical analysis, the cause of crack occurred in bellow expansion joint was analyzed.
採用宏觀檢查、掃描電鏡、X射線能譜、金相分析及化學分析等方法，對金屬波紋膨脹節開裂的原因進行了分析。 返回 bellow expansion joint