Paint the tooth flank of the big bevel gear with a thin and equal red lead coat.
即在大锥齿轮的齿面上涂一层薄而均匀的红铅油，然后转动齿轮数圈。
By using the principle of reliability design, the withdrwal core mechanism with bevel lead column in plastic injection mould is analyzed.
运用可靠性设计原理， 对塑料注射模常用的斜导柱式抽芯机构进行分析。
By using the principle of reliability design, the withdrwal core mechanism with bevel lead column in plastic injection mould is analyzed.
运用可靠性设计原理， 对塑料注射模常用的斜导柱式抽芯机构进行分析。
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