lasing protective filter 激光防护滤光片
operator protective filter 操作者防护诊光器
lasing g protective filter 激光防护滤光片
protective filter with 3 purposes 三防滤网
protective mask filter 防护面罩滤器
Glass Protective Filmfabric filter 玻璃过滤器
filter type protective mask 过滤式防毒面具
Ozone provides a natural protective filter against harmful ultra-violet rays from the sun, which can cause sunburn, cataracts and skin cancer as well as damage vegetation.
臭氧提供天然的保护，防止太阳的有害紫外线的侵害，这种紫外线会导致晒斑，白内障，皮肤癌以及危害植物。
As in pattern 3, the mashup hub can be used to transform the data (filter, restructure, or sort) and to enable access control of protective data sources.
和模式3中一样，可以使用mashup hub转换数据(过滤、重构或排序)，并支持对受保护数据源的访问控制。
Objective To evaluate the protective efficacy of protective equipment, such as gas-filtering can, high-efficiency filtering material and high-efficiency filter, against microorganism aerosol.
目的评价滤毒罐、高效滤材和高效过滤器等微生物气溶胶防护装备的防护效果。
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