标签：Trough - 英国华人论坛

Hot scene of International market in 2009 attracted many plant extract manufacturers to enter into the field of resveratrol and made them have good wishes to resveratrol. But it made people disappointed in 2010.The good scene did not last to...英国华人论坛

The term "Parabolic Trough Solar Field Technology" is quite a mouth full. But what does it actually mean?This article will explain what parabolic trough solar field technology is and how this form of alternative energy works to provide solar...英国华人论坛