Single long sand pack experiment indicated injecting foamer and nitrogen alternately could form fine and smooth foam at front end face of core.
单长填砂管实验结果表明液气交替注入完全可以在岩心前端面形成质量较好的细腻泡沫。
The V3 architecture addressed these incredibly hard problems, but there are many difficult front-end problems you also face when you are as successful as eBay.
V 3架构解决了这些非常困难的问题，但是，当您取得eBay这样的成功时还会遇到很多前端问题。
Its rules are well known: you have to flip the puzzle tiles face down one after another easy to remember the model right to their front-end.
其规则是众所周知的：你必须倒装面对向下瓷砖的困惑了一个又一个好记的模式对他们的前端。
A sheet of absorbent layer can be also additionally arranged at the longitudinal end of the absorbent wool core layer and an elastic waistline can be arranged on the front face or the back face.
还可在在吸水棉芯层的纵向端加装一片吸水层，并可在正面或背面加装弹性腰围。
A sheet of absorbent layer can be also additionally arranged at the longitudinal end of the absorbent wool core layer and an elastic waistline can be arranged on the front face or the back face.
还可在在吸水棉芯层的纵向端加装一片吸水层，并可在正面或背面加装弹性腰围。
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