標(biāo)題: ASTM D 4702-2006 與現(xiàn)行的ASTM標(biāo)準(zhǔn)一致的檢驗(yàn)橫切、導(dǎo)向桿... [打印本頁] 作者: 兌水 時(shí)間: 2009-10-11 16:27 標(biāo)題: ASTM D 4702-2006 與現(xiàn)行的ASTM標(biāo)準(zhǔn)一致的檢驗(yàn)橫切、導(dǎo)向桿... D4702-03a Standard Guide for Quality Management of Mechanical Coal Sampling Systems