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单词
step-down
释义
step-down
/ˈstepdaʊn/
n.
|
a.
I
n.
(数量等的)
减少;
(强度等的)
减低
a
step-down
in dosage
剂量的减少
II
a.
1.
逐渐减少的,逐渐减低的
2.
【
电
】
减压的
a
step-down
transformer
降压变压器
3.
(齿轮传动)
减速的
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更新时间:2026/11/2 13:22:38