Therefore, doing well the standard heavy compaction test of the earth roadbed is very important.

由此可见，做好土方路基标准重型击实试验尤为重要。

youdao

Therefore, doing well the standard heavy compaction test of the earth roadbed is very important.

由此可见，做好土方路基标准重型击实试验尤为重要。

youdao