问题描述：
which wasa sound round the electric wires of a 1
which wasa sound round the electric wires of a 16000-volt power line.这句是主谓还是系表(⊙o⊙)
which wasa sound round the electric wires of a 16000-volt power line.这句是主谓还是系表(⊙o⊙)
问题解答：
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