1·All derricks lowered down and secured.
放下，绑牢吊杆并报告。
2·All derricks lowered down and secured.
所有出口已关紧。
3·Scientific research has greatly lowered down the risks in farming.
科学研究已大大降低了农业的风险。
4·By this means, the process is simplified, energy consumption is lowered down,...
简化了工艺流程，降低了能耗，取得了较好的效果。
5·Lowered down No. 1 lifeboat, saved a drowning cadet under the command of the 2nd officer.
放下第1号救生艇，在二副负责下救助一名淹溺中的实习生。
6·The video was taken with a camera lowered down a narrow bore-hole from the surface, some 700m (2, 300ft) above.
该视频由一架透过地面（离矿底约700米（2300英尺）高）一狭窄钻孔下伸的摄像机拍摄而成。
7·I have seen children, of ten and eleven years put in buckets and lowered down fifty feet below the ground into coal pits.
我见过十岁、十一岁的孩子被放到桶里，吊到五十尺深的煤窑里挖煤。
8·A novel fast algorithm for FIR filter is presented, the large computational volume of FIR filter with many taps is lowered down.
提出了一种新的FIR滤波器快速算法，显著降低了实时信号处理中的长阶数FIR滤波器的运算量。
9·Once the probe has been hauled up, a coring device will be lowered down the borehole to take samples of the lake floor sediment.
探头拖上来后，会把一个除芯机放到钻孔里，采集湖底淤积物的样本。
10·The acid temperature was lowered down by parallelly installing a spare acid cooler to increase heat exchange area and a good econo...
通过并联闲置的酸冷却器，增加换热面积，降低了一吸酸温，收到良好的经济效益。