发射阵地 meaning in English

firing base
firing emplacement
firing position
launching site

The heavy battery ( 155 mm ) and the cannons of 105 mm occupied fire positions to the west of sapadni in order to furnish indirect fire support on rostov and , if necessary on the river don ' s bridges
重炮连（ 155毫米）和105毫米火炮在萨帕德尼西面占领发射阵地，以提供对罗斯托夫以及（如果必要的话）对顿河上的桥梁的间接的火力。
The heavy weapons ( machine guns ， infantry cannons ， antitank guns and mortars ) were placed on the eastern edge of sapadni ; the two 105 mm batteries occupied fire positions to the south of the locality ， with the mission of furnish direct fire against the houses in the edge of rostov ， located 1 . 500 meters ahead
它的重武器（机枪，步兵炮，反坦克炮和迫击炮）部署在萨帕德尼东面边缘； 2个105毫米炮连则在这个地点南面占领了发射阵地，其任务是对前方1500米处，罗斯托夫边缘的房屋进行直接射击。