filter opening meaning in Chinese
滤孔
Examples
- Standard practice for filtered open - flame carbon - arc exposures of plastics
塑料用滤光明火碳弧型曝光装置的标准实施规程 - Standard practice for filtered open - flame carbon - arc exposures of paint and related coatings
用经过过滤的明光碳弧曝光装置测定涂料及相关涂层的标准实施规程