Open Access

表1

各测压孔的圆周角与圆锥角

测压孔标号i 圆周角ϕi/(°) 圆锥角λi/(°)
1 180 20
2 270 20
3 0 0
4 90 20
5 0 20
6 0 45

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.