Preferably, said protective coating layer is a single protective coating layer which is disposed in contact with said glass portion.
优选地，所述保护涂层是设置与所述玻璃部分接触的单一保护涂层。
Polyethylene in the innermost layer forms the seals that make the package liquid-tight and provides a protective coating on the exterior to keep the package dry.
聚乙烯在内心层形式的封条，使整套液气密性，并提供一个保护性涂层对外部，以保持包装干燥。
B, barrier type protective effect when the cold sprayed zinc coating is oxidation, will produce a layer of zinc salt in the coating surface to provide barrier protection.
屏障式保护作用当冷喷锌涂料被氧化时，会在涂料表面产生一层锌盐层来提供屏障保护。
The film can be used as magnesium alloy protective layer and other coating foundation base.
该膜层可单独作为镁合金的防护层，也可作为其它涂层基底。
The utility model relates to an anti-rebelling waistcoat which is characterized in that a protective coating is made of a layer of steel ring.
本实用新型涉及一种防暴背心，其特征是防护层由钢圈网层构成。
That's because hydrogen peroxide soaks through the protective outer coating of enamel and into the softer layer of dentin underneath, irritating the nerve-rich dental pulp at the core.
这是因为过氧化氢会渗入釉质的外部保护层并进入牙质下面的较为柔软的一层，刺激神经组织比较多的牙髓。
Conductive line outside the core using heat-resistant polyester film with insulation around the package, the outermost layer of rubber insulation and sheath made of as a protective coating.
导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。
Conductive line outside the core using heat-resistant polyester film with insulation around the package, the outermost layer of rubber insulation and sheath made of as a protective coating.
导电线芯外面采用耐热聚酯薄膜绝缘带绕包，最外层用橡皮制成的绝缘兼护套做为保护层。
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