用tinned copper造句子,“tinned copper”造句

來源:國語幫 2.56W

In this paper, the separation of tin cladding from tinned copper wires and its recovery are investigated.

Conductor: fine strands of tinned copper wire, exellent corrosion resistance.

tinned copper造句

Some subsidiaries produce corrugated nylon tubes and tinned copper wires of every size.

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