短語詞組短語flaw -detection 國際Penetrant flaw g detection 滲透探傷liquid crystal flaw detection [材]液晶探傷radiological flaw detection 放射探傷penetrant flaw detection agent 滲透探傷劑ultrasonic flaw detection technique 超聲探傷工藝flaw detection se itivity 探傷靈敏度flaw detection detect detection 探傷 返回 flaw detection