| 1. | Low water level alarm
低水位警报器 |
| 2. | Lower water level
涸水期水位 |
| 3. | Francis turbine is applicable for the middle and low water level power station , both have vertical and horizontal structure , and commonly designed in the scroll
混流式水轮机用于中、低水头电站，有卧式、立式两种，一般采用金属蜗壳。 |
| 4. | For wet - pit installations , it is recommended that the low water level elevation be specified to meet or exceed the minimum submergence to prevent vortexing
对于湿井设备安装，建议所确定的低水位高度应该达到或超过预防涡流的最小潜水深度。 |
| 5. | The unit shall be equipped with control logic that shuts down all electricity to the heating elements in the event of no water or low water levels in the tank
这种热水器应该配置控制逻辑电路，当出现无水或水位太低状况时，能够自动关闭加热元件的电源。 |
| 6. | Combining an application case , whole - set underwater rubber fenders ' renew under low water level , was realized under dry construction condition through chemical anchorage of screws
结合工程实例，在创造干施工环境下，通过化学锚固螺栓的方法，实现了更换低水位以下成套橡胶护舷。 |
| 7. | Currently sewage in sewage pumping station system is pumped manually . so the station is working in low water level and energy is consumed . this mode ca n ' t predict the inflow ' s changing
当前污水泵站排放系统主要采用人工值守方式排水，低水位高扬程耗能严重，且缺乏预测能力，流量洪峰来临时易产生污水溢出污染。 |
| 8. | The results show that : the seeds of victoria amazonica are not suitable for dry store ; with the high temperature of 30 - 35 , the germination percentage of the seeds which have fully matured will reach 68 % to 85 . 7 % , seed soaking by ga3 contributes greatly to the improvement of the germination percentage , during the period of growing seedlings , the low water level is helpful to the sprouting of seeds
结果表明：王莲种子不宜干燥贮藏； 30 ~ 35高温配合充分成熟的种子，发芽率可达68 % ~ 85 . 7 % ；赤霉素浸种对提高种子发芽率有显著的促进作用；育苗期间的低水位有利种子萌发成苗。 |
