The periscope rose up and locked into place.潜望镜升起并已就位。

The floor began to descend on a powerful hydraulic press until it locked into place.在大功率液压机作用下, 地板开始降落, 直至到达指定位置。

There was a whine of hydraulics as the undercarriage locked into position.随着液压系统嘎吱一声响, 起落架进入了锁定位置。