标准玻璃 meaning in English

normal glass

Verification regulation of standard glass hydrometers
标准玻璃浮计检定规程
Verification regulation of standard capacity measures
标准玻璃量器检定规程
Verification regulation of standard grid plate
标准玻璃网格板检定规程
Standard practice for making and testing reference glass - metal bead - seal
标准玻璃金属胎圈密封胶的生产和试验标准实施规程
Standard grid plate
标准玻璃网格板

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