基本解釋[經(jīng)濟學]壁厚計詞組短語短語wall thickness micrometer gauge 壁厚千分尺tube wall thickness gauge 管壁厚度計magnetic wall thickness gauge 壁厚磁測儀wall thickness measurement gauge 壁厚測厚儀wall thickness gauge更多詞組專業(yè)釋義經(jīng)濟學壁厚計