degree of hardness 硬度 ; 硬度值 ; 硬度级
hardness degree 硬度标度
Greatest degree of hardness 最大硬度
degree of hardness of water 水硬度
international rubber hardness degree test 国际橡胶硬度试验
Because the changing of source water, obvious variety of total degree hardness index about the new source water caused the difference on residents' taste.
结果显示因供水水源的更换，新供水系统总硬度指标显著变化，导致口感差异；
These sartorius fitting's degree of hardness can reach above 60, and some even can reach above 65.
缝纫机配件硬度都可以达到60度以上，最高可以达到65度以上。
The maximum degree of hardness obtainable in steel by direct hardening is determined largely by the carbon content.
直接淬火后的刚所能获得的最大硬度在很大程度上时由含碳量决定的。
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