Treated oil pipes can decrease the friction damage, increase charge volume and anti scaling for normal operation and enhancing the economic effects in the mine.

经过处理后的防腐油管，能减小摩阻损失，增大排量；防止结垢，保持高排量的持续生产；减少卤井事故的发生，提高企业的经济效益。

youdao

There is no extra charge for these—just plug in, select the required language and adjust the volume.

这些都不需要额外的费用，只需插入电源，选择所需的语言并调节音量即可。

youdao

I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.

我要说的是，完全相反，正电荷集中在中心，在一个非常非常小的体积内。

youdao

I'm going to say, quite to the contrary, the positive charge is concentrated at the center in a tiny, tiny, tiny volume.

我要说的是，完全相反，正电荷集中在中心,在一个非常非常小的体积内。

麻省理工公开课 - 固态化学导论课程节选

So, I've got this tiny volume with, in the case of gold 79 plus of charge, and I've got some electrons out here somewhere, and the vast majority of the atom is nothing.

我认为这个小体积里面，比如金的79个正电荷，电子在外面的某些地方，原子里面大部分是空心的。

麻省理工公开课 - 固态化学导论课程节选

American Express earns revenues from card licensing fees, royalties on billings, charge volume, net spread revenue and cards in force, foreign exchange conversion revenue and also a share of the discount revenue earned by the operator.

FORBES: Quick Take

Also on the docket is an eye-controlled set that lets viewers take charge of volume and channels with their peepers and a 3D gesture control system that has a camera built into the set's frame.

ENGADGET: Haier celebrates IFA with ultra high def 3D, transparent and eye-controlled TVs

Compared to US carriers, Chinese carriers charge much less for SMS messages, but the volume in China is so high that it has become a major revenue source.

FORBES: Will iMessages Fly in China?