这一方法是酸浸除锈法和喷砂除锈法的组合。
This method is a combination of pickling and blast cleaning.
另一方面，复杂的氨基酸形成较少，并且需要更多的温度和压力。
Other, more complex acids formed less frequently, and require more temperature and pressure.
另一方面，复杂的氨基酸形成较少，并且需要更多的温度和压力。
Other, more complex acids formed less frequently, and require more temperature and pressure.
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