h<sub>1</sub>及h<sub>6</sub>的选择应根据进、出水管确定,一般为()。
A、0.5-0.6m
B、0.4-0.8m
C、0.5-1.0m
D、0.4-1.0m
A、0.5-0.6m
B、0.4-0.8m
C、0.5-1.0m
D、0.4-1.0m
A、△H<sub>1sub>+ △H<sub>2sub>+△H<sub>3sub> =△H<sub>4sub> B、△H<sub>1sub>+ △H<sub>2sub> = △H<sub>3sub> +△H<sub>4sub> C、(△H<sub>1sub>+ △H<sub>2sub>)-(△H<sub>3sub> +△H<sub>4sub>)=△H<sub>5sub> D、△H<sub>1sub>+△H<sub>2sub>+△H<sub>3sub>+△H<sub>4sub> =△H<sub>5sub>
A、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> B、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> C、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、△H<sub>1sub>〉△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> B、△H<sub>1sub>〈△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub> C、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〈W<sub>2sub> D、△H<sub>1sub>=△H<sub>2sub>,W<sub>1sub>〉W<sub>2sub>
A、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub> B、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A C、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>、H<sub>4sub> D、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A、H<sub>4sub>
A、W10;H<sub>3sub>=W10;H<sub>1sub>+W10;H<sub>2sub> B、W10;H<sub>3sub>=W10;H<sub>1sub>-W10;H<sub>2sub> C、W10;H<sub>3sub>=W10;H<sub>2sub>-W10;H<sub>1sub> D、W10;H<sub>3sub>=2W10;H<sub>1sub>-W10;H<sub>2sub>
A、H<sub>1sub>成立,拒绝H<sub>0sub> B、H<sub>0sub>成立,拒绝H<sub>0sub> C、H<sub>1sub>成立,拒绝H<sub>1sub> D、H<sub>0sub>成立,拒绝H<sub>1sub>
A、H<sub>1sub>〉H<sub>2sub> B、H<sub>1sub>=H<sub>2sub> C、H<sub>1sub>〈H<sub>2sub> D、H<sub>1sub>≥H<sub>2sub>
A、H<sub>1sub>>H<sub>2sub> B、H<sub>1sub>=H<sub>2sub> C、H<sub>1sub><H<sub>2sub> D、H<sub>1sub>>=H<sub>2sub>
A、H<sub>1sub>>H<sub>2sub>;P<sub>1sub>=P<sub>2sub> B、H<sub>1sub>=H<sub>2sub>;P<sub>1sub>>P<sub>2sub> C、H<sub>1sub>>H<sub>2sub>;P<sub>1sub>>P<sub>2sub> D、H<sub>1sub>=H<sub>2sub>;P<sub>1sub>=P<sub>2sub>
A、ΔU<sub>1sub>>ΔU<sub>2sub>ΔH<sub>1sub><ΔH<sub>2sub> B、ΔU<sub>1sub><ΔU<sub>2sub>H<sub>1sub><ΔH<sub>2sub> C、ΔU<sub>1sub>>ΔU<sub>2sub>ΔH<sub>1sub>>ΔH<sub>2sub> D、ΔU<sub>1sub><ΔU<sub>2sub>H<sub>1sub>>ΔH<sub>2sub>