计算机应用 计算机辅助设计与图形学 释文 pointing technique 指点技术
- boiler pipe
- boiler pretection
- boiler rated parameters
- boiler refractory material
- boiler safety accessories
- boiler safety water level
- boiler setting
- boiler shutting down
- boiler slagging
- boiler smoke
- boiler start
- boiler steel
- boiler steel cold brittleness
- boiler structure
- boiler sulfur corrosion
- boiler system
- boiler thermometer
- boiler tube explosion
- boiler-turbine-generator unit protection
- boiler valve
- boiler water circulation
- boiler water treatment
- boiling
- boiling-bed roaster
- boiling during excavation