A series of ( ) contours indicates either a ( ), or a ( ) without an outlet.
举一反三
- The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.
- Low pressure of the lubricating oil is monitored ______. A: at the common outlet to the engine B: at the common inlet to the engine C: at both the inlet and outlet to the engine D: at either the inlet or outlet to the engine
- Closed-ring contours indicate that the ground within the ring is ( ). A: lower B: higher C: equal D: either A orB
- As this title indicates, this chapter will deal primarily with series(级数) of complex numbers.
- Theory could not do without practice, _____ could practice do without theory. A: or B: nor C: either D: not