结果表明，较小的混炼机和注射机制造的试样，重量损失、烧结密度和强度的变化程度较小。
It is clarified that the specimens of smaller mixing and injection machines were smaller variation in weight loss, sintered density and strength.
我国的烧结混料机故障频发，尤其是筒体经常出现裂纹，严重影响了生产，造成重大经济损失。
Many large cylinder mix machine cracked frequently in our country, which influenced production seriously, and caused the great economic losses.
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