Impeller suitable for the suction of greases with a low penetration index.
泵叶适合于吸入低渗透性油脂.
互联网
According to slag penetration index, the suitable addition of zircon is about 8 %.
当配料中锆英石配入量超过8%,合成料的抗渣渗透性改善已不明显.
互联网
To get the relationship between indices on penetration index PI, equivalent brittle point T 1.
为了验证不同老化程度沥青结合料的针入度测量误差与针入度指数PI和 当量脆点T1.
互联网