alternating-current

常見(jiàn)例句

• Only AC current above certain frequency can be measured accurately.
  只有高于某些頻率的交流電流才能被準(zhǔn)確的測(cè)到。
• The rectifier lets current flow into the battery only when A.C. surges in the direction of the arrow.
  只有當(dāng)交流電流沿箭頭方向急沖時(shí)，整流器才允許電流流入電池組。
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