1803c3fb0ad2dd7.png·6[img=35x22]1803c3fb12662a1.png[/img]直接加热,产物为( )。
A: [img=44x22]1803c3fb19bd979.png[/img]+[img=35x22]1803c3fb2204f27.png[/img]
B: [img=50x22]1803c3fb2a18fa8.png[/img]+[img=35x22]1803c3fb2204f27.png[/img]
C: [img=142x25]1803c3fb39705c6.png[/img]
D: [img=101x22]1803c3fb41ebd97.png[/img]
A: [img=44x22]1803c3fb19bd979.png[/img]+[img=35x22]1803c3fb2204f27.png[/img]
B: [img=50x22]1803c3fb2a18fa8.png[/img]+[img=35x22]1803c3fb2204f27.png[/img]
C: [img=142x25]1803c3fb39705c6.png[/img]
D: [img=101x22]1803c3fb41ebd97.png[/img]
举一反三
- 图中的力F对O点的矩为多少?[img=744x149]18036e09021933f.png[/img][img=685x233]18036e090d730fc.png[/img][img=735x315]18036e0919b7d9d.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]18036264958edca.png[/img][img=685x233]18036264a0a5ed0.png[/img][img=735x315]18036264ac698ce.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]1802f3fa5d08ce2.png[/img][img=685x233]1802f3fa67fe3e8.png[/img][img=735x315]1802f3fa7529558.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]18035d1c6fd7961.png[/img][img=685x233]18035d1c7ab1df4.png[/img][img=735x315]18035d1c859b5d7.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0
- 图中的力F对O点的矩为多少?[img=744x149]1802f3f8b9285a5.png[/img][img=685x233]1802f3f8c4edd9d.png[/img][img=735x315]1802f3f8d15814b.png[/img] A: 0,Fl, Fb B: Fl, Fb,0 C: Fb,Fl,0 D: Fl,Fb,0