Vickers hardness tester HVS-5A1/HVS-5D1 are using precision machinery and light, electricity, computer software, the combination of a new type of hardness testing equipment.是什么意思_Vickers hardness tester HVS-5A1/HVS-5D1 are using precision machinery and light, electricity, computer software, the combination of a new type of hardness testing equipment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句