与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。

Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.

youdao

与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。

Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.

youdao