Productive purchase is basic activity of production and operation of enterprise.
生产性采购活动是企业生产经营过程中的基本活动。
Productive high concentration effective, saving occupied area, easy operation and maintenance.
具有生产效率高，浓缩效果好，节省占地面积、操作维修方便等特点。
This machine has high productive efficiency, fine precision, simple and sensitive operation, wide usage.
本机生产效率高，精度好、操作灵敏简便，应用广泛。
However, if the operation in the opposite direction, it will be counter-productive Oh!
但是如果操作方向相反，就会适得其反哦！
However, if the operation in the opposite direction, it will be counter-productive Oh!
但是如果操作方向相反，就会适得其反哦！
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