The wax molds are dipped into waterglass solution, with surface coated by the solution.
将蜡件组浸入含有

等
料的缸中,
上
料。
的
器皿;

,可溶性
;计时

漏The wax molds are dipped into waterglass solution, with surface coated by the solution.
将蜡件组浸入含有

等
料的缸中,
上
料。
This is mainly because some manufacturers have adopted the great containing alkaline waterglass glue or adhesive.
主要是因为部分厂家采用了含碱性很大的

胶或淀粉胶所
。

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