机器不能解决所有问题，作为人的灵活和通便决定着谁在操纵着谁。
The flexibility and creativity of human beings decide who is in charge of the world.
DL- 8型多路阀具有操纵轻便、换向灵活、定位可靠的特点。
It is easy to operate, flexible in changing direction and reliable in positioning.
DL- 8型多路阀具有操纵轻便、换向灵活、定位可靠的特点。
It is easy to operate, flexible in changing direction and reliable in positioning.
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