常见例句雙語例句This is a power source commutator and multi-functional plug sets. The commutator includes a shell of a circuit inside;本發明爲一種電源轉接器及其使用的多用型電源輸入插頭組，該電源轉接 器包含：殼躰，內部具有電路板；ip.com 返回 commutator shell