A Chinese biotechnological company announced on Sunday it has developed the worlds first 3D blood vessel bio-printer, wh...

Oracle has suffered another black eye over security flaws in its widely used Java software, as the US tech company on Mo...

曾几何时，五金店人均享有一台手工电弧焊设备。

一、阐述　　利用差压原理展开流量测量是当今世界上最可信的流量测量方式之一，代表产品孔板具有历史悠久的历史，人们对它的加装、用于和检修都十分熟知。

文章讲解了一种光电有序LED路灯控制器，该控制器掌控太阳能电池板对蓄电池组充放电，动态检测蓄电池容量，后用光电有序方式对阻抗供电。