Make sure that base paste and catalyst are mixed completely and are extruded in a uniform color.

确保基质膏剂和催化剂膏剂混合充分，而且压出时颜色均一。

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Make sure that base paste and catalyst are mixed completely and are extruded in a uniform color.

确保基质膏剂和催化剂膏剂混合充分，而且压出时颜色均一。

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