2) keep one's powder dry
保持火药干燥;有备无患
3) hidden trouble of equipment
设备隐患
1.
The analysis and treatment of the hidden trouble of equipment of No.11 unit for the Fengman Hydropower Plant during its initial operation period;
丰满发电厂11号机组投产初期设备隐患分析及处理
4) To have undergone much worries and hardship
备尝忧患
5) take precautions against future trouble
以备后患
6) Sapindus mukurossi
无患子
1.
Tandem Mass Spectrometry Analysis of Saponins from Sapindus mukurossi;
无患子皂苷成分的串联质谱分析
2.
Study of surface activity and application of sapindus mukurossi;
无患子表面活性物及其复配体系的性质研究
3.
Analysis of Surface-Active Substances in Sapindus mukurossi by High Performance Liquid Chromatography-Mass Spectrometry;
高效液相色谱-质谱联用分析无患子中的表面活性物质
补充资料：有备无患
1.事先有准备就可以避免灾祸。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条