The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.( )
A: water flow
B: fall
C: water speed
D: elevation
A: water flow
B: fall
C: water speed
D: elevation
举一反三
- The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.
- The cooling water jacket is common to all the cylinders but there are often （） to ensure that each cylinder receives the right amount and flow of water.
- When practicing at the water's edge, one should (). A: surface water B: back to the water to practice C: Practice side to water D: Practice away from the water
- Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
- Most bottled water is the same as tap water. Both tap and bottled water come from rivers and _______ .