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ballast(ing)的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 ballast:
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any heavy material used to stabilize a ship or airship
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coarse gravel laid to form a bed for streets and railroads
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an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
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a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations)
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an electrical device for starting and regulating fluorescent and discharge lamps
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make steady with a ballast
