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未保温管
未保温管
oil
bare pipe
|
线
线
environ.
line
hydroel.st.
string
;
thread
;
yarn
math.
straight line
met.
strand
metrol.
linear … density
;
linear
;
lineic
to phrases
未保温管
oil
bare pipe
未保温管
:
4 phrases
in 3 subjects
Chemistry
1
Oil / petroleum
2
Technology
1
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