...安装额外的电器附件或换用大功率灯泡。启动困难、灯光暗淡、喇叭声不响亮时,应立即补充电。每隔1-3个月检查一次液面,如液面低于最低液面线(LOWER LEVEL),添加蒸馏水至高液面线,加水后,最好进行补充电。免维护蓄电池除外。
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lower-level 低级别 ; 初级别 ; 较低级的 ; 㰕
lower level lifetime 下能级寿命
lower-level threshold [核] 下阈
lower level system 低层系统
lower level signaling point 低电平信令点
Lower-Level Learning 低阶学习 ; 阶学习
lower level line 下液面线
The open stairway leads to the lower level.
开放式的楼梯通向较低的楼层。
Most of Africa is urbanizing at a lower level of income than other regions of the world did.
和世界其他地区相比,非洲大多数地区的城市化进程是在一个较低的收入水平上进行的。
The bottom line here is the more fiber you eat, perhaps, a lower level of hormone in your body.
此处的要点是,你吃的纤维越多,你体内的激素水平就越低。
He was named to the lower level "C Team" in 2005.
VOA: standard.2010.02.09
And so this lower level is called a bonding orbital, and it is a bonding molecular orbital.
所以能级较低的轨道叫做成键轨道,这就是成键分子轨道。
So just-- and we will come back to this and flush out some of these lower level details.
那么,我们还是回到这里,略去一些,没用的细节。
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