Each nephron contains a tuft of capillary blood vessels (glomerulus) and tiny tubules that lead to larger collectingtubes.
一个肾单元包含一个毛细血管丛(肾小球)和一个细小的小管(肾小管)，进而引导到更粗大的收集管。
2
The mechanism of ultrasonic seam welding of copper plates and tubes for collecting solar energy was investigated.
研究了太阳能集热铜片和铜管的超声波缝焊机理。
3
It shows that the gas-collecting chamber had an important effect on the mutual influence between the neighboring filter tubes in the back pulse jetting.