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莫氏硬度标
chem.
Mohs' hardness scale
met.
Moh's
hardness
scale
tech.
Mohr's scale of hardness
;
Moh's scale
莫氏
相对
硬度标
tech.
Moh's hardness scale
莫氏硬度标:
2 phrases
in 1 subject
Metallurgy
2
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