No need to squeeze or wait on cement (WOC). Time saving – approximately 16-24 hours.

无需挤水泥和侯凝（WOC），节约大约16-24小时的作业时间；

youdao

No need to squeeze or wait on cement (WOC). Time saving – approximately 16-24 hours.

无需挤水泥和侯凝（WOC），节约大约16-24小时的作业时间；

youdao