大便器排水口与排水管之间的缝隙均匀，缝间填满油灰，确保不渗漏。

The crack between outlet of water closet and drainage pipe should be even and filled with putty to prevent leak.

youdao

大便器排水口与排水管之间的缝隙均匀，缝间填满油灰，确保不渗漏。

The crack between outlet of water closet and drainage pipe should be even and filled with putty to prevent leak.

youdao