wxm_1512001 幼苗
共回答了28个问题采纳率:82.1% 举报
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实验目的:测定小灯泡的额定功率和小灯泡不在额定电压下的功率.
1年前1个回答
你能帮帮他们吗
精彩回答
healthy, doing, can, sports, us, keep ___________________________________.
9个月前
(2018石家庄42中二模)My sister is waiting for ________ (I)in the hall. We are going to see a film together.
9个月前
Tony used to be a quiet student, ________ now he is active in class.
9个月前
____ come from America. They speak English. [ ]
1年前
The ____________man can carry some water every day.
1年前