A crankshaft whose center of gravity coincides with its center line is said to be() Ⅰ.statically balanced Ⅱ.dynamically balanced
A crankshaft whose center of gravity coincides with its center line is said to be ().
A crankshaft whose center of gravity coincides with its center line is said to be() Ⅰ.statically balanced Ⅱ.dynamically balanced
A crankshaft whose center of gravity coincides with its center line is said to be ().