常見例句Innovation of Mechanical Sealing in a Detectoscope 探傷機(jī)機(jī)械密封的改進(jìn)Magnetic Powder Detectoscope for Detecting the Roller of Railway Compartment Bearing 鉄道車輛軸承滾子磁粉探傷機(jī)X-ray detectoscope X射線探傷機(jī) 返回 detectoscope