Second, the welding of stainless steel pipes and copper weld dilution method is used.

five, six, seven, eight. Five, six, seven, eight.

5，6，7，85，6，7，8

Five, six, seven, eight. Okay.

5，6，7，8

A five, six, seven, eight.

五，六，七，八。

And a five, six, seven, eight.

开始啦，五，六，七，八。

One and two and three and four, five, six, seven, eight.

1，2，3，4，5，6，7，8

Come on. Five, six, seven, eight.

快快5，6，7，8

One two three four five six seven eight

一二三四五六七八

Polyethersulfone ( PES) ultrafiltration membrane was successfully prepared by means of phase inversion method, with PES as raw material, Polyvinyl Pyrrolidone ( PVP) as additive, and dimethylacetamide ( DMAC) as solvent.

以聚醚砜（PES）为膜材，聚乙烯吡咯烷酮（PVP）为添加剂，N，N-二甲基乙酰胺（DMAC）为溶剂，用相转化法制备了超滤膜。

Dimethylacetamide ( DMAC) solvent was used in the process of spinning spandex production, the DMAC solvent was easily decomposed at high temperatures, resulting in fire and explosion accidents, the DMAC solvent has great risk of fire.

氨纶纺丝过程中所用到的二甲基乙酰胺（DMAC）溶剂在高温下易发生分解乃至引发生火灾爆炸事故，具有较大的火灾风险。

The acrylic fiber wastewater contained Dimethylacetamide ( DMAC), toxic CN-and oligomer ( AN and PAN).

腈纶废水中含有难生物降解的低聚物和丙烯氰（PAN和AN）、二甲基乙酰胺（DMAC）和具有毒性的CN-。

Study on Effects of Moisture Content in Dimethylacetamide Reaction System

二甲基乙酰胺反应系统水分影响分析

With the advancement of production process, a stricter quality requirement of dimethylacetamide is taken by consumers, especially the moisture and chrominance of the product. Hence, the high-quality DMAC enjoys a promising market.

随着生产过程的进步，对二甲基乙酰胺的质量要求不断提高，尤其是DMAC产品的含水量、色度，因此，高纯度的二甲基乙酰胺具有较好的市场。

GC Determination of dimethylacetamide, butanone and decane in the air of workshop

车间空气中二甲基乙酰胺、丁酮和癸烷的气相色谱分析

And we're very grateful for it. It's dirtcheap.

我们非常感激那点根本不算钱

Study of Biodegradation of Dimethylphthalate

邻苯二甲酸二甲酯的微生物降解研究

There were models galore ( Joan Smalls, Karlie Kloss, Gigi Hadid) and designers, including the Calvin Klein creative director, Francisco Costa, and Mr. Hilfiger.

派对上有很多模特（琼·斯莫尔[Joan Smalls]、卡莉·克洛斯[Karlie Kloss]、吉吉·哈迪德[Gigi Hadid]）和设计师，包括Calvin Klein的创意总监弗朗西斯科·科斯塔（Francisco Costa）和希尔费格。

We nominated Gigi Hadid, Kim Kardashian, Marilyn Monroe, and Naomi Campbell to step up to the plate.

我们选取了吉吉·哈迪德、金·卡戴珊、玛丽莲·梦露以及娜奥米·坎贝尔来进行这项测试。

News about Bella and Gigi Hadid's selection to walk the runway in the upcoming Victoria's Secret Fashion Show in Shanghai is trending on Weibo today.

今天，微博上有关贝拉和吉吉入选今年在上海举办的维密秀的新闻炒得沸沸扬扬。

Gigi Hadid can go ahead and dust off her angel wings, because she's confirmed to walk in the upcoming Victoria's Secret Fashion Show.

吉吉·哈迪德（Gigi Hadid）大概可以昂首挺胸擦亮天使翅膀了，在即将到来的维多利亚的秘密内衣秀（Victoria’s Secret Fashion Show）中，吉吉的加入已经毋庸置疑。

Gigi Hadid has apologised for her appearance on the cover of Vogue Italia.

吉吉.哈迪德为她在《Vogue Italian》（《时尚》杂志意大利版）封面所呈现的造型道歉。