Package scouring and dyeing process of soybean protein fiber was introduced. The operation main point and effect of each process were also introduced in detail.

介绍大豆蛋白纤维筒子纱练漂、染色工艺，详细分析每道工序的效果及筒子纱染色工艺的制定和实施要点。

youdao

Grand Canyon National park will reduce hours of operation at the main visitor center, affecting at least 250, 000 people.

CNN: STORY HIGHLIGHTS

Mr Walsh said terms and conditions for the new venture would be different from those in BA's main operation, but said he was confident concerns could be assuaged.

BBC: RELATED BBC SITES

The antipathy between Mrs Ciller and Mr Yilmaz prevents co-operation between the two main parties of the right.

ECONOMIST: The chill descending on Turkey | The