grade〔名词〕等 ,分等 ,分级,级,级别,军阶,品级详细»
grade质量等级[ 同一产品或其它标准化对象按其质量水平的不同所划分的级别。(IXD)]详细»
硬度degree of hardness;solidness详细»
硬度hardness;solidity;solidness详细»
硬度hardness;scale of hardness;stiffness详细»
硬度degree of hardness;magnesium hardness;mgh;solidness详细»
硬度Hs;abrasive hardness;hardiness;hardness firmness;temper详细»