胶管阀（又称夹管阀、管夹阀，英文名 Pinch Valve）是一种通过挤压橡胶管来实现流体通断或调节的特殊阀门。其核心特点是阀体与介质完全隔离，仅通过弹性胶管的变形控制流量，适用于高磨损、高腐蚀、易堵塞或需要无菌处理的工况。 橡胶套管（胶管）：直接 ...

Patients who underwent transcatheter aortic valve replacement (TAVR) with a valve designed to treat aortic regurgitation had an overall mortality rate of just 8.1% at one year, well below the ...

Gurriel's pinch-hit RBI single lifts Padres to 1-0 win over Braves SAN DIEGO (AP) Pinch-hitter Yuli Gurriel singled with two outs in the seventh inning to score Jake Cronenworth, who was aboard on ...