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多组分玻璃光纤
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多组分玻璃光纤
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光纤与光缆
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multicomponent glass optical fiber
多组分玻璃光纤
在二氧化硅(SiO2)原料中适当混合氧化钠(Na2O)、氧化硼(B2O3)、氧化钾(K2O)和氧化锗(GeO)等氧化物制作成多组分玻璃,由多组分玻璃组成的光纤。又称复合光纤。
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labor-management relations
Labor Management Relations Act of 1947
labor market
labor market segmentation between urban and rural areas
labor mobility
labor obligation
labor-oriented tales of silver incorporated into the land tax
labor ownership obligation
labor participation rate
Labor Party of New Zealand
labor policy
labor-power commodity
labor process
labor products
labor protection in China
labor protection of plateau railway
labor protection supervision
labor relation
labor rent
labor resources
labor safety and accident prevention
labor safety regulations
Labor Security Supervision Regulations
Labor Standards
labor standards law
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