Amendments are important assistant materials in the composting process.
调理剂是堆肥过程中的重要辅料。
These differences may come from the difference of assistant materials and manufacturing process.
这种差异可能来自于添加的辅料不完全相同，或者生产工艺上的不同。
These differences may come from the difference of assistant materials and manufacturing process.
这种差异可能来自于添加的辅料不完全相同，或者生产工艺上的不同。
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