随着生产规模的扩大，对于输送距离长、提升高度高的工艺要求，密相栓流气力输送技术显示出其输送能力不足的一面。
With the expansion of production scale, dense phase pulse fluid pneumatic conveying shows the incapability for long-distance and high lifting height conveying.
由于钛的加工技术要求很高，用普通设备很难浇铸成型，用普通工具又很难将它焊接起来，所以很难形成生产规模。
Because of the high demand for processing technology and equipment in common use common molding, to cast it hardly tools, so it is difficult to formation welding production scale.
随着炭阳极生产规模的不断扩大，对生产工艺自动化控制提出了更高的要求。
With the increase of carbon anode scale, the production process raises a higher request to automatic control.
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