1、The FAA of fine aggregate should be less than 45%;
細(xì)集料未壓實(shí)空隙率FAA不宜小于45%；

2、It is adopts s type distribution valve. It satisfies to pump fine aggregate concrete.
采用先進(jìn)的S管形式的分配閥，滿足細(xì)骨料混凝土的泵送。

3、Dividing criterion between coarse and fine aggregate was set by use of Marshall Test.
利用馬歇爾擊實(shí)試驗(yàn)確定了粗細(xì)集料的分界標(biāo)準(zhǔn)。

fine aggregate翻譯