求翻译：由于货运量大，货源充足，航线固定，装卸效率高等因素，散货船运输能获得良好的经济效益，散货船已成为运输船舶的主力军。是什么意思？

Large cargo, the abundant supply of fixed routes, loading and unloading efficiency factors, the transport of bulk carriers can be good for economic efficiency, bulk cargo ship to become the main force of the transport ship.

The freight volume, fixed route, adequate supplies, high factor loading efficiency, thermal transport vessel can get a good economic efficiency, thermal transport vessel has become a major force of the ship.

Because the transported goods volume is big, the source of goods is sufficient, the route is fixed, the loading and unloading efficiency higher factor, the bulk freighter transportation can obtain the good economic efficiency, the bulk freighter already the main army who becomes transports the ships

Due to the freight volume big, ample, line fixed, loading and unloading efficiency factors, bulk carriers transport can be good value for money, bulk carriers has become the main force of ships.

正在翻译，请等待...