介绍了正压浓相气力输灰技术。
The dust pneumatic transport technology of positive pressure dense phase was presented.
对于室外作业的农机具，使用气力技术需要解决气源动力和气源部属总质量的问题。
For outdoor working, the problem of gas fountain and its gross weight need solve.
对于室外作业的农机具，使用气力技术需要解决气源动力和气源部属总质量的问题。
For outdoor working, the problem of gas fountain and its gross weight need solve.
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