矿山采煤机轴承MZ240B ¥1260.00 矿山采煤机轴承MZ260 ¥2500.00 矿山采煤机轴承MZ260B ¥1300.00 矿山采煤机轴承MZ270A ¥4000.00 矿山采煤机轴承MZ270B ¥4000.00 矿山采煤机轴承MZ280A ¥3250.00