Permeation grouting is a necessary condition for the particle size particle size is much smaller than.

渗透注浆的必要条件是浆液的粒径远小于颗粒粒径。

youdao

Permeation grouting is a necessary condition for the particle size particle size is much smaller than.

渗透注浆的必要条件是浆液的粒径远小于颗粒粒径。

youdao