中心束管式缆芯和非金属快速接入型保护层室外光缆
cable core of central tube and non metal sheath of lightguide express entry’s outdoor optical fiber cable
小型金属非金属矿山
small-sized metal and nonmetal mines
非金属-金属转化
nonmetal-metal transition
金属-非金属过渡
metal nonmetal transition
金属非金属矿山
metallic and nonmetallic mine
metal and nonmetal mine mining
金属非金属跃迁
metal nonmetal transition
金属-非金属转变
Metal-nonmetal transition
次生石英岩型非金属矿床
Secondary quartzite type of non-metallic deposits
金属－金属髋关节假体
Metal-on-metal hip prostheses
铜合金金属型
copper alloy permanent mold