锟斤拷锟斤拷锟斤拷也锟叫機(j锟斤拷)械锟斤拷锟斤拷锟斤拷锟揭伙拷锟�(g锟斤拷)锟斤拷锟絯锟杰碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟侥凤拷锟斤拷锟较發(f锟斤拷)锟斤拷锟斤拷一锟斤拷位锟斤拷锟斤拷锟揭傦拷锟斤拷锟絝锟紷锟斤拷(g锟斤拷)锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟剿癸拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷W(xu锟斤拷)锟叫憋拷示锟斤拷锟斤拷位锟狡碉拷锟桔積锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絚锟紺(j锟斤拷)械锟斤拷锟斤拷锟狡碉拷锟斤拷锟斤拷锟斤拷也锟角橈拷(bi锟斤拷o)锟斤拷锟斤拷锟斤拷锟紿锟斤拷位锟狡嗭拷位锟介焦锟斤拷锟斤拷1J=1N·m=1kg·m2·s-2锟斤拷“锟斤拷”一锟絶锟斤拷锟斤拷锟斤拷煞锟斤拷锟斤拷锟�(sh锟斤拷)锟絎(xu锟斤拷)锟斤拷锟絑斯锟斤拷-锟斤拷斯锟斤拷锟斤拷·锟斤拷锟斤拷W锟斤拷锟斤拷(chu锟斤拷ng)锟斤拷锟斤拷

锟斤拷锟斤拷锟斤拷锟揭伙拷锟�(g锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷锟絯锟斤拷锟紷锟斤拷(g锟斤拷)锟斤拷锟侥凤拷锟斤拷锟斤拷锟狡勶拷锟斤拷一锟轿撅拷锟絰锟斤拷锟斤拷锟絎(xu锟斤拷)锟斤拷锟斤拷f锟紷锟斤拷(g锟斤拷)锟斤拷锟斤拷锟剿癸拷锟斤拷 锟斤拷使锟斤拷锟斤拷锟斤拷锟斤拷也锟斤拷锟杰沒锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟界，锟节勶拷锟劫圓锟斤拷锟絓(y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絔锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?y锟斤拷n)锟斤拷锟斤拷A锟斤拷锟絓(y锟斤拷n)锟接碉拷锟斤拷锟絯锟侥勶拷锟杰沒锟叫發(f锟斤拷)锟斤拷變锟斤拷锟斤拷同锟接碉拷锟斤拷锟斤拷锟较碉拷一锟斤拷锟斤拷锟斤拷锟組锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷支锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷]锟斤拷位锟狡讹拷锟絔锟斤拷锟斤拷锟斤拷锟斤拷

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锟斤拷锟斤拷锟斤拷锟斤拷锟�(d锟斤拷o)锟斤拷锟斤拷锟絁(r锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷?y锟斤拷n)锟斤拷锟斤拷锟斤拷锟斤拷D(zhu锟斤拷n)锟斤拷锟斤拷锟斤拷微锟絕原锟接碉拷锟斤拷佣锟斤拷呛锟斤拷^锟斤拷位锟狡★拷

锟斤拷锟斤拷PS锟斤拷锟斤拷锟侥岋拷(sh锟斤拷)锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟侥匡拷锟絞锟桔積锟斤拷

锟斤拷锟斤拷锟斤拷锟絚锟斤拷锟絯锟斤拷锟斤拷锟侥凤拷锟斤拷锟斤拷通锟絕锟侥撅拷锟絰锟侥乘積锟絈锟斤拷C(j锟斤拷)械锟斤拷锟斤拷锟斤拷锟絈锟斤拷锟斤拷

锟斤拷锟铰高匡拷锟結訊锟斤拷锟竭匡拷锟斤拷锟斤拷锟斤拷锟斤拷前锟斤拷(zh锟斤拷n)锟戒、志愿锟斤拷锟�(b锟斤拷o)锟斤拷锟饺★拷锟�?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷

锟斤拷锟斤拷锟竭匡拷锟絩(sh锟斤拷)锟絞锟斤拷锟斤拷全锟斤拷锟斤拷要锟斤拷(ji锟斤拷)锟絚(di锟斤拷n)

锟斤拷锟斤拷锟組锟斤拷"锟竭匡拷锟絎(w锟斤拷ng)"微锟脚癸拷锟斤拷號