standard sample of casting surface roughness_仪器仪表英汉词典
standard sample of casting surface roughness
[仪器仪表英汉词典]
standard sample of casting surface roughness铸件表面粗糙度标准样块[ 采用面积法测量铸件表面粗糙度时，所使用的计量样块。(IGI)]
是什么意思，standard sample of casting surface roughness的解释，standard sample of casting surface roughness的翻译
