SYMAC-17 支(zhi)持長(chang)壁(bi)采煤法(fa)巷道(dao)(dao)裝(zhuang)置(zhi)型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju)(A型(xing)(xing)) (比較適合(he)于(yu)二、三、四個維度) 該型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju)主(zhu)觀(guan)呈現(xian)出(chu)支(zhi)持長(chang)壁(bi)的(de)(de)裝(zhuang)置(zhi)原則(ze)方法(fa),增長(chang)教師就此類巷道(dao)(dao)裝(zhuang)置(zhi)原則(ze)方法(fa)的(de)(de)主(zhu)觀(guan)認得。 關鍵(jian)商品有: 1. 支(zhi)持長(chang)壁(bi)采煤法(fa)巷道(dao)(dao)裝(zhuang)置(zhi)型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju) 2.一個薄及中厚煤層支(zhi)持長(chang)壁(bi)采煤法(fa)巷道(dao)(dao)裝(zhuang)置(zhi)型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju) 3.厚煤層支(zhi)持長(chang)壁(bi)采煤法(fa)巷道(dao)(dao)裝(zhuang)置(zhi)型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju) 4.煤層群支(zhi)持長(chang)壁(bi)采煤法(fa)巷道(dao)(dao)裝(zhuang)置(zhi)型(xing)(xing)號(hao)(hao)工(gong)(gong)(gong)(gong)具(ju) 金(jin)橋銅業跨接線的(de)(de)截面積大小:兩件:600mm×800mm×700mm 拆卸:2000mm×1000mm×700mm
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