220V,5KW的负载要用多少安培的交流接触器?-查字典问答网
- 已知点A在数轴上对应的数为a,点B对应的数为b,且|a+4|+(b-1)2=0,A、B之间的距离记作|AB|,定义:|AB|=|a-b|.(1)求线段AB的长|AB|;(2)设点P在数轴上对应的数为x,当|PA|-|PB|=2时,求x的值
- 钢琴之旅作文
- you'resuchafoolsuchasucha
- Didyou_seesuchathing
- 【描写一切尽在不言中的句子】
- Wouldyoumindkeepinga(n)_____onthehouseforuswhileweareaway?A.eyeB.lookC.handD.view
- _____youmakesuchaterriblenoise?用must,haveto,can,can't,could,could't,may,might填空
- 如图,在△ABC中,AB=AC,AD是BC边上的中线,BE⊥AC于点E.求证:∠CBE=∠BAD.
- Whileyouareonthephone,thebabypullsthetableclothoffthetable,smashinghalfyourbestcrockeryandcuttinghimselfintheprocess.while是连词吗,smashing是什么语
- Youaresucha