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n.总输电线;总管道( main的名词复数 );干线;输电干线(建筑物的)污水总管道; 英英释义: main[ meinz ]n.any very large body of (salt) water同义词:brinya principal pipe in a system that distributes water or gas or electricity or that collects sewageadj.most important element"the main doors were of