变截面圆柱形空腔
varying sectional cylindrical cavity
动臂球面圆柱形轴承
boom spherical cylinder bearing
半椭圆表面裂纹
semi-ellipse surface crack
weak interface
half-ellipse surface crack
semi-elliptical surface crack
半圆柱形边墩
semicircle cylindrical pier
半圆柱形反射器
semicylindrical reflector
semi-cylindrical reflector
半圆柱形量水槽
semi-cylinder measuring-flume
半圆柱形凸起
gibbous surface of the half-columniform conductor
保形圆柱投影
conformal cylindrical projection
变截面圆形管道
circular cross-section tube with constriction
表面圆筒头研磨机
surface & cylindrical double
表面圆筒研磨机
surface & cylindrical grinding machine