The calculation of local head loss in a pressured curvedtube is very important for the design of the construction of inverted siphon.
有压弯管局部水头损失计算在倒虹吸等过水建筑物设计中至关重要。
2
The Olympic Flame will burn from a curved triangular aluminium tube which has a lace-like mesh complete with 8, 000 holes - one to represent each torchbearer .
The present paper has described the die made by chromium car - bide for forming mass spectrometer needle and double curved surface glass tube in surface analyzing instrument.