The ordinary rectangular electro-magnetic chuck is used for holding common ferromagnetic materials for machining. 普通矩形电磁吸盘用于吸持一般铁磁性材料工件进行加工。
It should constantly keep clean and smooth of the holding surface of the permanent magnet hoisting machine. 应始终保持永磁起重器吸持面的清洁与平整。
During this holding period enzymes in the green leaf catalyze the oxidation of constituents which results in changes in color, taste, and aroma. 在此保持时间内,绿叶中的酶催化了一些成分的氧化作用,这些氧化作用的结果使得颜色,味道和香气发生了变化。