Together we share fogs, flowing hazes and rainbows.我们共享雾蔼、流岚、虹霓.A flowing stream inarms a boulder in its passing.流水围绕大石流过去.A test device for flack flowing systems based on virtual instrument technology is developed.研制基于虚...
The silica powder toughened is an electrician filler of toughness epoxy for epikote developing.增韧硅微粉是为增韧环氧树脂而研制开发的一种电工级专用填料.Only by taking part in practice can the young people be toughened and hardened into steel.年轻人只有通...