The wetting property of PET fiber was ameliorated obviously by the azote plasma treatment.
用氮气对涤纶进行低温等离子处理，明显地改善了其表面的润湿性能。
Content of azote and kalium in the soil of normal field is 34.7% and 13.9% less than in red leaf field.
土样检测发现正常棉叶田所采土样中全氮、全钾含量比红叶田土样减少34.7%和13.9%。
4 , screw thread gob produced by internation standard , material is 38chrome molybdenum aluminium azote steel , high rigidity , long time.
四螺纹口按国际标准化制造，材料选用38铬钼铝氮化钢，硬度高，使用寿命长。
4 , screw thread gob produced by internation standard , material is 38chrome molybdenum aluminium azote steel , high rigidity , long time.
四螺纹口按国际标准化制造，材料选用38铬钼铝氮化钢，硬度高，使用寿命长。
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