Standardgases
- 网络标准气体
![Standardgases](/bd-dict/cache/772421.jpg)
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St Petersburg State University
Sea of Japan
Southern Federal District
Siberian Federal District
Smolny Institute
St Peter
sewerage system
Sammul Chan
socialism
State land ownership
Standard sample
standard solution
Sodium salt
Substituent group
structural formula
supersaturated solution
sensible heat
stratocumulus opacus
specific humidity
sulfur dioxide