“sag”的概念、定义、翻译、参考文献-科学参考

单词	sag
释义	sag [sag] ^ELECTRICITY Slack introduced in an aerial cable or open-wire line to compensate for contraction during cold weather. ^GEOLOGY 1. A pass or gap in a ridge or mountain range shaped like a saddle. 2. A shallow depression in a relatively flat land surface. 3. A regional basin with gently sloping sides. ^METALLURGY Decrease in the section thickness of a casting caused by weakness of the sand mold.
随便看	current chart current collector current comparator current constants current-controlled switch current curve current cycle current decay current density current diagram current difference current divider current drain current drift current drogue current efficiency current ellipse current-equalizing reactor current feed current feedback current feedback circuit current function current gain current generator current hogging

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