1) loss of head at orifice

缩孔压头损失
2) loss of head due to contraction

收缩段压头损失
3) loss of head at orifice

孔口压头损失
4) compression loss

压缩损失
5) Lossy Compression

损失压缩
补充资料:孔口
1.洞口。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条