什么叫做空气柱?分析下

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/10 09:04:59
xTYrH{z~8sD3  & ai-",Uҗ0Y*c&( ^f9I`>@f]l~BGM?1Wg/ӫ0֬F+ͫ:(mPcc|~F&%.v4ی = I,~Anaw_k;'1v`Q^ڋM:@M>dn Sp ZʗB_Hdl#6+{yidK$12EɈ=g+Z.:K‚WXä|}PiȇᱰHK!.I09:V޿'A`tAclla3P`A!y"\ :p E݋с3#Q]Rړb>buEO#Q~AlHxymu//?Kl`/nGclnI-G{mRZ[$Q+ȝ'05 u1;R+Mz-| 7#V09S=[MI$7lc?~j@| -^iP2h(n[Y0KݼS9-(XaeDl~BA`[K7=y[+n 9 uޒǴ!5•v_Ng]}x5m