銅心碳 的英文怎麼說
中文拼音 [tóngxīntàn]-
New carbon - core aluminum wires can be stretched more tautly than conventional copper wires and so can carry perhaps three times as much current before sagging below safe heights
新型的碳核心鋁質線路能拉得比傳統銅質線路更長,在安全垂掛高度內可傳輸的電流大約為以往的三倍。
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