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SIO2

%

ƽ

ҪYж %

ҪĺYжȣ%

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93

3542

73

90

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0.2

0.1

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ZGS90-50/100

92

4855

80

90

0.5

0.2

0.1

16

ZGS85-70/140

88

1373

80

90

0.5

94

0.1

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