The operation characteristics, types of vibration fault, fault diagnosis and operation control of the primary dust-fan are discussed.

介绍了一次除尘风机运行特点、机组振动故障类型、故障诊断及运行控制。

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Even in the cleanest of homes, air-conditioner griller, heating grates, and fan blades eventually develop a layer of dust and grease.

即使在最干净的房间，空调格栅，加热箅子和风扇扇翅也会产生灰尘和油污。

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Fan regulation, which box on the bed material to maintain the upper-vacuum, maintain good dry environment and prevent dust leakage.

调节引风机，使上箱体中床层物料上部保持微负压，维持良好的干燥环境并防止粉尘外泄（略）。

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If your partner is a hard-core Giants football fan, for example, rather than team paraphernalia that will likely collect dust, she suggests buying tickets to a game.

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