... delivery main 输水主管 distributing main 配水干管,配水干渠;配电干线 duplicate main 双线干管 ...
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短语
一次配电干线
primary distribution main
分配总管配电干线
distribution main
二次配电干线
secondary distribution trunk line
;
secondary distribution mains
垂直配电干线
vertical distribution line
干线配电箱
mains distribution box
-
distributing main
-
distributing main
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