A donor roll is provided for applying oil deposited thereon by the metering roll.
捐赠者名册申请提供石油的存款计量辊报告。
A metering blade structure for metering silicone oil onto the metering roll has two modes of operation.
一到计量，计量辊硅油计量叶片结构有两种操作模式。
We discuss the important function of roll covers in the metering size press, and its effect to the coating process and the quality of coated paper.
简要介绍了膜式涂布中施涂辊包覆层的作用和对涂布过程以及涂布纸性能的影响。
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