I saw a man warking in the garden.
我看见在花园里工作的人。
The warking process of the mould and the assemble of the mould was described simply.
还说明了模具的工作原理，对模具的装配还作了简单的介绍。
Warking principles, calculation of driving power and matters needing attention in designing of tumbling barrel are described.
介绍了滚筒清理机的工作原理、驱动功率的计算及其他设计注意事项。
Warking principles, calculation of driving power and matters needing attention in designing of tumbling barrel are described.
介绍了滚筒清理机的工作原理、驱动功率的计算及其他设计注意事项。
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