A、X=X<sub>Lsub>-X<sub>Csub>>0 B、X=X<sub>Lsub>-X<sub>Csub><0 C、X=X<sub>Lsub>-X<sub>Csub>=0 D、X=X<sub>Lsub>=X<sub>Csub>
A、X=X<sub>Lsub>-X<sub>Csub>>0 B、X=X<sub>Lsub>-X<sub>Csub><0 C、X=X<sub>Lsub>-X<sub>Csub>=0 D、X=X<sub>Lsub>=X<sub>Csub>
A、R=X<sub>Lsub>=X<sub>Csub> B、X<sub>Lsub>=X<sub>Csub>≠R C、X<sub>Lsub>>X<sub>Csub> D、X<sub>Lsub><X<sub>Csub>
A、有两种比例,对于长试样L<sub>0sub>=8d<sub>0sub>,对于短试样L<sub>0sub>=5d<sub>0sub> B、有两种比例,对于长试样L<sub>0sub>=8d<sub>0sub>,对于短试样L<sub>0sub>=6d<sub>0sub> C、有两种比例,对于长试样L<sub>0sub>=10d<sub>0sub>,对于短试样L<sub>0sub>=6d<sub>0sub> D、有两种比例,对于长试样L<sub>0sub>=10d<sub>0sub>,对于短试样L<sub>0sub>=5d<sub>0sub>
A、330kV及以上:总烃<10μL/L,H<sub>2sub><50μL/L,C<sub>2sub>H<sub>2sub>=0.1 B、330kV及以上:总烃<10μL/L,H<sub>2sub><100μL/L,C<sub>2sub>H<sub>2sub>=0.1 C、220kV及以下:总烃<10μL/L,H<sub>2sub><50μL/L,C<sub>2sub>H<sub>2sub>=0.1 D、220kV及以下:总烃<10μL/L,H<sub>2sub><100μL/L,C<sub>2sub>H<sub>2sub>=0.1
A、L<sub>0sub>=5d<sub>0sub> B、L<sub>0sub>=2d<sub>0sub> C、L<sub>0sub>=10d<sub>0sub> D、L<sub>0sub>=15d<sub>0sub>
A、r<sub>1sub>=r<sub>2sub>=0,L<sub>1sub>=L<sub>2sub>=M=0 B、r<sub>1sub>=r<sub>2sub>=0,L<sub>1sub>=L<sub>2sub>=M=∞ C、r<sub>1sub>=r<sub>2sub>=∞,L<sub>1sub>=L<sub>2sub>=M=0 D、r<sub>1sub>=r<sub>2sub>=∞,L<sub>1sub>=L<sub>2sub>=M=∞