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твёрдомер nstresses
gen. 硬度试验机
el. 硬度测定计
O&G 硬度表
phys. 硬度测定器
tech. 硬度试验仪; 硬度计
твёрдомер: 17 phrases in 7 subjects
Automated equipment3
General5
Hydrology2
Mechanic engineering1
Oil processing plants1
Technology2
Welding3