基本解釋[經(jīng)濟學]波狀金屬篩網(wǎng)詞組短語短語corrugated d metallic screen mesh 波狀金屬篩網(wǎng)corrugated metallic screen mesh更多詞組專業(yè)釋義經(jīng)濟學波狀金屬篩網(wǎng)