| 出生地 |
Zhejiang China (Mainland) |
| 牌子的名字 |
YuFeng |
| 模式的数量 |
STLH-1 |
Used to determine air content of concrete mixture. Applying to the slump concrete with aggregate's diameter≤40mm, air content≤10%.It's fit for Department of Transportation JTJ053-94 Concrete rules for highway projects's requireremnet
It wildly use to world longest bridge-across Hangzhou bay bridge