文章以历史比较研究的方法，从谱式、谱字、南琶指法、管门四方面进行分析，旨在探索《文焕堂指谱》的历史价值。
With historical comparative study, the article analyses its score formula, score character, finger model of Southern Pipa and pipe tune as four aspects to probe historical value of Wen Huan Tang Fing.
目前它是国内最大断面的方坯管式结晶器。
It is currently the largest - section bloom tubular mould in China.
一种方矩形管式铅酸蓄电池。
The utility model relates to a rectangular tube lead-acid accumulator.
一种方矩形管式铅酸蓄电池。
The utility model relates to a rectangular tube lead-acid accumulator.
应用推荐