查询词典 water-tight

Advanced step-water heating layer by layer settles successfully problem of mixing of boiled and unboiled water of traditional single tank heater*and at the same time gets rid of huge body, low-efficient heating, water-leaking, non-heating, unboiled water mixing of multi-tank heater.

先进的步进逐层加热技术有效解决了冷热水混合问题，避免了传统单箱式开水器生水混入的问题和多箱式开水器体积庞大、加热效率不高、浮球阀控制不可靠造成的漏水、不加热、生水混入等难题。

Effects of nitrogen-degrading microbes on biological characteristics of the growth of water hyacinth, the contents of nitrogen and phosphorus in water, and the dynamic change of microorganism in water were analysed by the elimination of nitrite, organic nitrogen and phosphor in water by nitrobacteria and denitrobacteria.

利用硝化细菌与反硝化细菌对水体中亚硝酸盐、有机氮、磷等营养物质的消除作用来分析降氮灵菌剂对水葫芦生长的生物学特性、水体中氮磷含量变化以及水体中微生物消长动态的影响。

This paper performs an numerical modelling on constant water flooding of water injection well arrays and production well arrays in low permeable reservoirs and analyses the factors effecting the recovery of water flooding in low permeable reservoirs, including pore structure of porous medium, oil water relative permeability curve, starting...

通过对低渗透油藏中注水井排和采油井排的定压水驱进行数值模拟，分析了低渗透油藏水驱采收率的影响因素，包括多孔介质孔隙结构、油水相对渗透率曲线、启动压力梯度、注入速度和注采井距。

Cooking casserole Tianmuhu head, use the natural water Tianmuhu head for raising a large bighead raw, pure natural water Tianmuhu soup base, coupled with unique cooking processing by the picturesque scenery of the day as head Green Lake is not only the surrounding mountain vegetation filters the water, and lake bottom is sandy rather than silt, this unique natural environment created Tianmuhu water clear and sweet, Qian Chen did not dye, so the growth of fish which have absolutely no off-flavor.

烹制天目湖砂锅鱼头，选用天目湖水体中天然生养的大花鲢鱼头作原料，纯天然天目湖水为汤基，加上特有的烹调工艺加工而成，由于山青水秀的天目湖不仅周围山体绿色植被过滤了湖水，而且湖底为沙质而非淤泥，这一独特的自然环境造就了天目湖水清澈甘甜，纤尘不染，故其中生长的鱼类也绝没有土腥味。

The formation and disappearance of ice is related to on-site condition of atmosphere, water temperature, water salinity, water depth, onflow and coagulation nucleus in water.

冰情监测是一门诸如海洋监测、环境保护、水利水电工程建设、海洋石油开发等等许多学科和工程现场所关心的课题，冰的生消直接或间接地与现场大气状况、水的温度、盐度、深度、湍流以及水中的凝结核相关。

By combining the experiment, field observation and data collection with SWAT model simulation, the water budget in different types of land use (forest and grass ecosystems, orchard and crop ecosystems) were calculated by SWAT model. Then the water circulation and water budget in the following years were predicted and the main factors that influenced the water budget in hilly region of red soil were analysised.

本研究采用室内测定、野外观测、资料搜集与模型模拟相结合的方法，应用SWAT模型研究了赣东北红壤丘岗区不同土地利用方式的水量平衡，并对林草系统未来几年的水量平衡进行了预测，分析了区域水量平衡的影响因子。

Automatic water supply and overfall; also applicable for various pressures, like the tap water, water pipes of self-built wells in the countryside and the self-supply water towers of families.

自动补水、溢流，同时适用于市政自来水、农村自建井水管道、家庭自补水塔等各种压力

The former began to migrate toward fresh water environment in late Cretaceous,but portion of them still remained in sea water till late Eocene;the latter began to migrate toward fresh water in Paleocene and lost its records in sea water.

前者在晚白垩世开始向淡水环境迁移，但仍有部分留在海水中，一直延续到晚始新世；后者在古新世时开始迁向淡水，并在海水中失去记录。

In the process that hydronium exchanging plan deal with industry waste water or water quality intenerate,de-salt and making of high pure water,ceramics grain can be used ad colophony mat layer in reflux palingenesis fixed bed,the diameter of grainf of mat layer is 1 -32mm ,ceramics grain filtering materials also possess the effect of grain filtering materials also possess the effect of de-iron and de –manganese,and de-iron effect is over 90%,it specially fit de-iron and de-manganese in north deep well water, its operating plan is resemble with other de-iron filtering materials.

在离子交换法处理工业废水或水质软化、除盐、高纯水制取中，陶粒可在逆流再生固定床中做树脂垫层，垫层颗粒径 1 -32mm ，陶粒滤料还具有除铁除锰的作用，除铁效果在 90%以上，特别适宜于北方深井水除锰，其操作方法与其它除铁滤料相似。

Gentleman orchid drenchs rot the root dies after water, the likelihood has the reason of two respects, it is basin earth too wet, because gentleman Lan Xihuan is loose,understand the edaphic requirement that appear, once basin earth is medium moisture is too big, its bulky flesh pledges the root arrived to will come in October between November, already entered stop to grow or grow very slow condition, do not need how many moisture, need to hold basin ground only wet can, drench water causes those who rot the root is unavoidable too much; 2 it is you drench when water, flow into the phyllome center of plant the dirt that will have smudgy part along with all the others, and at this moment water of blade rising bad news is less, sewage accumulating is inside Xie Cong, also can choose sodden heart sodden root.

君子兰淋水后烂根死亡，可能有两个方面的原因，一是盆土过湿，因君子兰喜欢疏松通透的土壤条件，一旦盆土中水分过大，其粗大的肉质根到了10月至11月间，已进入停止生长或生长很慢的状态，不需要多少水分，只需要保持盆土湿润即可，淋水过多造成烂根是在所难免的；二是你淋水时，将会有脏污成分的尘土等一并流入植株的叶丛中心，而这时叶片蒸腾耗水较少，脏水积在叶丛内，也会选成烂心烂根。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷