半工半读
part study
work-study program
part work
half-working and half-learning
半工半读学校
part-work and part-study school
半圆形β摄谱仪
semicircular beta spectrograph
半圆形沉积层
semi-cylindrical alluvial valley
半圆形沉箱结构
semi-circular caisson structure
半圆形动态交锁髓内钉
Semicircular dynamic locked intramedullary nail