Daim duab schematic yog qhov sawv cev yooj yim ntawm cov kab ke. Xws li cov kev ua lej feem ntau tsis ntsuas thiab siv cov cim tsis yog cov duab tiag. Lawv lub hom phiaj yog piav qhia txog ib txoj kev ua haujlwm li cas thiab nws ua haujlwm li cas.
Muaj ntau qhov piv txwv ntawm schematic daim duab pom niaj hnub tau ntsib. Daim duab tshaj plaws schematic yog pom nyob hauv cov nroog loj raws li daim ntawv qhia subway. Thoob plaws lub ntiaj teb, cov tswv tsheb thiab cov tsheb maus taus siv cov phau ntawv qhia kev tso siab rau cov duab kos zoo li no txhawm rau kho lawv cov tsheb. Cov kev kawm ua lej tseem siv los ua piv txwv cov txheej txheem tshuaj, xov hlau, kav dej thiab hluav taws xob hluav taws xob.
Daim duab nrag kev ua haujlwm vim tias lawv muab cov duab piav qhia tsis ua haujlwm ntawm lub kaw lus ua haujlwm zoo li cas. Kev siv qhov chaw siab tsom qhov system lub koom haum ntau dua li tsis nkim qhov chaw nrog cov ntaub ntawv tsis tsim nyog. Lawv feem ntau tsis paub tseeb vim tias cov khoom siv sib txuas tau yooj yim dua kom nkag siab. Daim duab zoo schematic yuav tso tawm cov khoom uas muaj nyob hauv, yog li ua cov haujlwm thiab kev sib txuas sib txawv ntawm ib leeg. Nws kuj tseem siv qhov tseeb thiab qhov ntau thiab tsawg, tag nrho cov, yog qhov tseem ceeb, tau sau rau ntawm daim duab; vim kev siv cov cim hauv daim duab, lawv feem ntau nrog tus yawm sij。
