变频器启动电动机时,电源的变压器容量可以限制到电动机容量的()
A、1倍
B、1.5倍
C、2倍
D、2.5倍
参考答案:B
______almost one hundred jin, the stone was moved by him alone.
A.Weighed
B.Weighing
C.It weighed
D.To weigh
简释共同海损的定义及其构成的要素。