Plumbing，在这儿是ｄｒａｉｎ的意思？怎么查出来是测深？

DraftMan

Plumbing
Plumbing drains shall be divided into two (2) categories; clean and soil (or gray
and black, respectively). Clean drains are all interior drains other than soil.
Soil drains are those from toilets, toilet space deck drains, urinals and hospital
lavatory and hospital shower. All plumbing drain piping shall be fitted with
clean outs at least every 40 ft. and have adequate slope for good drainage. All
drain piping shall be provided with vent lines to the atmosphere.

jishanglong@126

是生活污水排放吧，，哪的资料

Joseph-nut

学习啦{:3_64:}