地面以下砌体空心部分均采用素混凝土填实，利于防水防潮。

Underground hollow area shall be filled with plain concrete to prevent from water and moisture.

youdao

地面以下砌体空心部分均采用素混凝土填实，利于防水防潮。

Underground hollow area shall be filled with plain concrete to prevent from water and moisture.

youdao