ring dam 中文意思是什麼

ring dam 解釋
比重環
  • ring : n 1 圈，環，輪；戒指，指環，耳環，鼻圈，鐲子（等）；【運】吊環。2 輪狀物；【植物；植物學】年輪；...
  • dam : n 1 水閘，壩，堰。2 壩中的水。3 【礦物】坑道堰。4 （牙科用的）橡皮障。5 〈比喻〉障礙。vt 1 築水閘...
  1. Based on the arch - cantilever method, the stability of arch ring and cantilever beam against elastic buckling in arch dams are analyzed with the theory of elastic stability, and the conclusion is drawn that the stability of arch dam against elastic buckling is governed by the top arch ring

    按照拱梁分載法的思想，用彈性穩定理論分別對拱壩的拱圈和懸臂梁的抗屈曲穩定性進行了分析，得出拱壩的抗屈曲穩定性由壩頂拱圈控制的結論。
  2. Do not try to remove any foreign body which is inserted deep into the wound. place gauze with a hole in the middle over the wound and apply a ring pad around the foreign body or surround the wound with dressing built up like a dam before finishing up with bandage

    然後按照沒有異物的方法處理切勿拔出深入傷口的異物，可在敷料上剪個洞，套過異物，置於傷口上，加上環形墊或在傷口周圍砌起敷料成堤狀，再用繃帶包紮。
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