GBJ16-87http://www.swgh.com.cn/6/%E4%B8%93%E4%B8%9A%E9%97%A8%E7%B1%BB/%E5%BB%BA%E7%AD%91%E7%B1%BB/GBJ16-87/%E5%BB%BA%E7%AD%91%E8%AE%BE%E8%AE%A1%E9%98%B2%E7%81%AB%E8%A7%84%E8%8C%83-p-1.pdf