hardness is higher 硬度偏高
higher hardness 高的硬度
has higher hardness 具有较高的硬度
have higher hardness 具有较高的硬度
higher red hardness 高红硬性
Ungula and ring fracture are due to higher surface hardness. The rational suggestions to settle fracture are put forward.
爪形和环形断裂由表面硬度偏高造成，并提出解决断裂问题的合理化建议。
Generally speaking, the higher the hardness, the better the quality.
一般来讲的话，硬度越高，质量越好。
Nitriding develops extreme hardness in the surface of steel. This hardness ranges from 900 to 1,100 Brinell, which is considerably higher than that obtained by ordinary case hardening.
渗氮在钢表面获得远远超出正常标准的硬度。其硬度范围为900到1,100布氏硬度，这远高于普通表面硬化所获得的硬度。
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