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- The results showed the changes of the rheological and inflation behaviors of PP/SGF and the orientation of fiber could improve the uniformity of wall thickness of the curved ducts. 结果表明：PP经过玻纤增强后流变性能、型坯膨胀行为的改变及玻纤取向的方式，可使得其弯管壁厚更均匀。
- Experimental Study on the Change of Wall Thickness Causing the Distortion of the Cross-Section in the Process of Tube Bending 管材弯曲中壁厚变化引起横截面畸变的试验研究
- change of wall thickness 壁厚变化
- Velocity field and variation of wall thickness are studied theoretically during tube dieless upsetting. 对管材无模扩径变形速度场及壁厚变化规律进行了理论及实验研究。
- In this paper, velocity field and variation of wall thickness are studiedtheoretically during tube dieless upsetting. 对管材无模镦粗变形速度场及壁厚变化规律进行了理论研究。
- Cooling time is proportional to the square of wall thickness, but inversely proportional to mould temperature difference. 冷却时间正比于壁厚的平方，但反比于模温温差。
- It is studied by experiment that the influence factors and influence laws on variations of wall thickness and sectional shape during square tube dieless drawing. 试验研究了方管材无模拉伸时壁厚变化及断面形状变化的影响因素及影响规律。
- Take a change of clothes with you. 把你替换的衣服带去吧。
- Colin painted one patch of wall and then he changed of with Joe. 科林粉刷了一片墙，然后交由乔接替粉刷。
- In fact, the stock index of New York of Wall Street has already reflected the situation of change of economical operation of the above. 事实上，华尔街的纽约证券指数早已反映了以上的经济运行变化情况。
- A change of diet may do you good. 改变一下饮食对你可能有好处。
- A good pitcher has a change of pace. 一个好投手能投出速度捉摸不定的球。
- The doctor urged a change of air. 医生力劝换个环境。
- Circumstances have compelled a change of plan. 因情况所迫，计划已经改变。
- Deviaion of Wall Thickness of Seamless Steel Pipe 浅谈无缝钢管的壁厚偏差
- Please notify us of any change of address. 地址如有变动，请通知我们。
- additional value of wall thickness 壁厚附加量
- I noticed a swift change of expression in his face. 我注意到他脸上的表情很快地变化。
