用“counterweights”造句大全，counterweights造句
To provide Balance, crankshafts have counterweights opposite the cranks. Crankshafts have drilled 0n passages through which oil can flow from the main to the connecting rod bearings.
The motion of the rotor can be balanced completely with rotating counterweights attached to the crankshaft.
Given this reality, it's important to have institutions that can act as counterweights to the power of big money.
