TCBMMAS-004-2021 户用预制双坑（瓮）交替式厕所技术规范.pdf

ICS91.040.99CCSC51团体标准T/CBMMAS004—2021户用预制双坑（瓮）交替式厕所技术规范Technicalspecificationforhouseholdprefabricatedtwin...