An SQL subset to filter elements of any collection.

可以过滤任何集合元素的一个SQL子集。

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Filter elements; air cleaner; assembly; and, methods.

过滤器元件；空气清洁器；组件；和方法。

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Using our SWIFTMESH wire cloth, there are different construction options for filter elements.

使用我们的SWIFTMESH金属网布，过滤元件有许多不同的结构选择。

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That changed in the mid-1980s, when microscopic sieves--spread throughout steel tubes 30 feet long and 4 to 5 inches in diameter--were developed to filter out undesirable elements before the whey is dried to a powder for use in food manufacturing.

FORBES: Making Whey

That changed in the mid-1980s, when microscopic sieves--spread throughout steel tubes that are 10 meters long and 10 to 12 centimeters in diameter--were developed to filter out undesirable elements before the whey was dried to a powder for use in food manufacturing.

FORBES: Making Whey