但对水泥稳定粒料基层材料的强度标准仍然存在着认识上的不足。

But for the cement stabilized granular base material intensity standard still has some weakness.

youdao

但对水泥稳定粒料基层材料的强度标准仍然存在着认识上的不足。

But for the cement stabilized granular base material intensity standard still has some weakness.

youdao