除险加固工程
strengthening project
risk prevention and reinforcement project
danger eliminating and reinforcing project
大坝缺陷及除险加固
dam defects and rehabilitation
整险加固
regulation and reinforcement of dykes
Reinforcement
levee restoration
P2O5和CaF2固－固加热法
solid-solid-heated method of P2O5 and CaF2
除险增容
strengthening for getting rid of accident
如何解除除草剂药害
How to Relieve Herbicides Damage
小切口白内障囊外搞除加人工晶体植入
Small incision extracapsulor cataract extraction a
噪声消除除技术
noise eliminationtechnique