光学、声学 光学 visual line 视线 line of sight 视线†
line of sight 视线 sight 视线；观测，瞄准
line of sight; line of vision; visual line 视线
计算机应用 计算机辅助设计与图形学 释文 view ray 视线
- steam methane reforming
- steam pipeline of boiler
- steam pipe network
- steam point
- steam power
- steam reformer
- steam reforming catalyst
- steam reforming process
- steam separator of boiler
- steam soot blower
- steam system in iron and steel enterprises
- steam through and unite
- steam tube rotary cylinder dryer
- steam turbine
- steam turbine auxiliary system
- steam turbine body
- steam turbine by-pass system
- steam turbine carrier
- steam turbine control system
- steam turbine cover enclosure
- steam turbine cylinder
- steam turbine diaphragm
- steam turbine fault
- steam turbine flange
- steam turbine flow passage thermal calculation