"1臺" "金相試樣預(yù)磨機(jī)","ym-2","1臺" "金相試樣拋光機(jī)柜式雙頭雙速","pg-2d ","1臺" "數(shù)顯洛式硬度計(jì)","hrbs-150","1臺" "表盤式洛式硬度計(jì)","hr-150a","2臺" "布氏硬度…