那地下管的部分有很重要的就是，要跟土木的一些水溝,還有Piping的地

那地下管的部分有很重要的就是，要跟土木的一些水溝,還有Piping的地下管,都要去做非常仔細的Squad Check

結果 (英文) 1:

That part of the underground pipe has a very important thing, to keep a number of civil ditch, there Piping underground pipe, we should do very carefully Squad Check

結果 (英文) 2:

The part of the underground pipe is very important, to go with some ditches of civil work, and Piping's underground pipe, to do very carefulLy Squad Check

結果 (英文) 3:

The important part of the underground pipe is to do a very careful square check with some civil ditches and piping underground pipes