资讯

血管在生理条件下可受到垂直于血管壁的静水压力、周期性波动引起的拉伸力和血液流动时产生的平行于内表面的剪切力。高 ...
It’s no wonder deep-sea creatures are so strange. They survive against the odds in one of the most extreme environments on ...
Hydrostatic pressure testing equipment is used to ensure pipes, hoses, and tubes are suited to tolerate predetermined pressures. Hydrostatic pressure testing equipment is normally comprised of pumps, ...
Bobcat has completed the company’s agricultural telehandler range with three new machines. The new large high flow models – ...
The environment in a rainwater tank is very hostile to electronics. Sooner or later, the high humidity destroys e,g, the plug connections. Here my newest solution to avoid this, using better material, ...