The help in basic theory is provided for improving bender, bending process and the quality of banded pipe.

为改进弯管设备、改善弯管工艺参数和提高弯管质量提供基础理论上的支持。

youdao

The help in basic theory is provided for improving bender, bending process and the quality of banded pipe.

为改进弯管设备、改善弯管工艺参数和提高弯管质量提供基础理论上的支持。

youdao