����ӳ�ȱ�� |
�����ӳ�ȷ�χ |
����ŷ��ӳ�ȼ� ʾֵ����������ϵ�λ |
������ӳ�ȼ�ʾֵ�ظ��� |
a |
20 hra~75 hra >75 hra~88 hra |
��2 hra ʿ1.5 hra |
��2.0%��0.8���ϵ�λ* |
b |
20 hrb~45 hrb >45 hrb~80 hrb > 80 hrb~100 hrb |
ʿ4 hrb ʿ3 hrb ʿ2 hrb |
��4.0%��1.2���ϵ�λ* |
c |
20 hrc~70 hrc |
ʿ1.5 hrc |
��2.0%��0.8���ϵ�λ* |
d |
40 hrd~70 hrd > 70 hrd~77 hrd |
ʿ2 hrd ʿ1.5 hrd |
≤2.0%��0.8���ϵ�λ* |
e |
70 hre~90 hre >90 hre~100 hre |
ʿ2.5 hre ʿ2 hre |
≤4.0%��1.2���ϵ�λ* |
f |
60 hrf~90 hrf >90 hrf~100 hrf |
ʿ3 hrf ʿ2 hrf |
≤4.0%��1.2���ϵ�λ* |
g |
30 hrg~50 hrg > 50 hrg~75 hrg > 75 hrg~94 hrg |
ʿ6 hrg ʿ4.5 hrg ʿ3 hrg |
≤4.0%��1.2���ϵ�λ* |
h |
80 hrh~100 hrh |
��2 hrh |
≤4.0%��1.2���ϵ�λ* |
k |
40 hrk~ 60 hrk > 60 hrk~ 80 hrk > 80 hrk~100 hrk |
ʿ4 hrk ��3 hrk ʿ2 hrk |
≤4.0%��1.2���ϵ�λ* |
n |
- |
ʿ2hrn |
≤4.0%��1.2���ϵ�λ* |
t |
- |
��3 hrt |
≤6.0%��2.4���ϵ�λ* |
e |
70~94 hre 58~69 hre |
��2.0 hre ��2.2 hre |
2.5���ϵ�λ 3.0���ϵ�λ |
l |
100~120 hrl |
��1.2 hrl |
1.5���ϵ�λ |
m |
85~100 hrm |
��1.5 hrm |
2.0���ϵ�λ |
r |
114~125 hrr |
��1.2 hrr |
1.5���ϵ�λ |
* ȡ��θ��� |
gb/t230.2 ����ӳ�ȼ�����ʾֵ�ظ��ժ�ʾֵ���
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