查询词典 water-tight

The main reasons on condensed water production of oil-fired hot water boiler was introduced,the removal method of condensed water was carried out,and the advantages and disadvantages of condensed water was studied.

主要介绍了燃油热水锅炉烟气冷凝水产生的主要原因，冷凝水的利弊分析，冷凝水的排出措施。

Ordinary solder materials, lead-free solder, the lead-free solder wire, solder paste, solder, the solder wire , high temperature tin, the low-temperature tin-line, lead-free tin-silver, the lead-free tin-silver line, low-temperature lead-free tin line, welding aluminum tin, the tin-aluminum welding wire, welding wire stainless steel tin, aluminum welding flux not stainless steel flux, environmental flux, welding of stainless steel, nickel, special aluminum solder, aluminum flux, aluminum brazing soft agent, paint remover, paint stripping powder (high-temperature paint stripping enameled wire a few seconds), copper aluminum welding, aluminum and aluminum welding, wire flux of new environmental protection (smoke-free and tasteless, non-volatile non-flammable) peaks of water-soluble flux, no-clean rosin flux, no-clean flux, thinners, cleaning agents, plate washer water , clean water machine, special purposes, such as water-soluble flux.

普通焊锡材料，无铅焊锡条、无铅焊锡线、焊锡膏，焊锡条、焊锡线、高温锡条、低温锡线、无铅含银锡条、无铅含银锡线、无铅低温锡线、焊铝锡条，焊铝锡线、焊不绣钢锡线、焊铝助焊剂、不绣钢助焊剂、环保助焊剂、焊不锈钢、镍、铝特种焊料、铝助焊剂、铝的软钎剂、脱漆剂、脱漆粉、铝铜焊接、铝与铝焊接、环保新型线材助焊剂(无烟无味、不挥发不易燃)水溶性波峰助焊剂、免清洗松香助焊剂、免清洗助焊剂、稀释剂、清洗剂、洗板水、抹机水、特殊用途水溶性助焊剂等。

In this paper, necessity of water saving agriculture in Loess plateau wasanalysized, and main types of regulating soil water techniques were sumed up as below, the aimof regulating soil water could be got by use of building up fertilizer, crop rotation, intermitentfallowing soil, drought resistant breeding, water savins run-off agriculture and chemical method.

通过对黄土高原节水农业必要性的分析，并总结出调水技术的主要类型为：培肥地力以肥调水；轮作倒茬调水；间隙休闲调水；抗旱育种调水；节水灌溉调水；径流农业调水和化学技术调水。

Stockings in through immediately after washing, cleaning, when to use mild soapy water so that stockings first dip for a while, use a mild soap or shampoo neutral in the Cuoxi pat hand in warm water (water temperature does not exceed 30 degrees), Or a net Xi Yijing bubble (do not have the chlorine bleach or Xiyi Jing), when drying with a towel over the water Xidiao, very sensitive to sunlight, as long as the sun was directly to the drying of their fatigue on the large elastic fiber A discount, and then to peg arm socks dry mouth, not in the sun or other non-smooth bamboo drying rack, easy to hook wire.

丝袜在穿过之后要立刻清洗，清洗时要用温和的肥皂水让丝袜先浸一会儿，使用温和中性肥皂或洗发精在温水中用手轻拍搓洗(不超过水温30度)、或洗衣精净泡(不要有含氯的洗衣精或漂白水)，晾晒时用毛巾将过多的水分吸掉，最忌太阳光，只要被太阳直接晒到其纤维弹性疲乏就大打折扣了，然后以衣夹夹着袜口晾干，千万不要晒在竹竿或其它不平滑的晒架上，容易勾丝。

The outdoor water park offers the fun of tube rafting, a 45-degree high-speed water slide, and much more. The water park also offers duck boats, rowboats, an ocean lake, water sliding on the grass, and more.

还有四人乘坐Tube水上冲浪的家庭式享受，45度角度由上而下的高速滑行等激情水上游戏的市外区域，备有可以乘坐游艇和划船欣赏的海上湖水，草地上的打水仗等多样有趣的游乐设施。

Water saving potential models for five sectors was made, including industrial sector, domestic and public service sectors, reclaimed water use, urban rainwater harvesting and water saving potential resulted from decrease of water pipeline leakage reate.

为了实现&三先三后&，即先节水后调水，先治污后通水，先环保后用水的原则，现分析了南水北调中线主要城市的用水情况、用水性质和特点，建立了节水潜力计算模型，包括工业节水潜力、城镇生活节水潜力、再生水利用潜力、雨水利用潜力和减少管网漏损的潜力。

Water Cascade Analysis technology was used to synthesize the water use network for batch processes,which could determine the water pinch point location and the minimum utilities target of the batch process:minimum fresh water use and wastewater discharge.

利用水级联分析法对间歇过程用水网络进行研究，确定过程的用水夹点及最小新鲜水用量和最小废水排放量，提出了间歇用水过程的全局夹点的概念，考虑了用水过程的流率限制，在水级联表格中用流率替代了传统水级联分析法中的传质量，识别过程中每个时间段的局部夹点及公用工程目标，通过全局夹点和局部夹点的比较，指出过程的用水瓶颈，设置储罐打破瓶颈，使用水网络公用工程目标最小化。

In the first cultivation stage,as relatively high concentration of phosphorus,phosphorus from water column was removed to a certain extent by periphyton.The end of the incubation,as low concentration of phosphorus periphyton releases phosphorus to water column instead of removal phosphorus from water,this may closely relate to the alkaline phosphatase secreted by periphyton in water body.

从培养过程中水体磷的浓度变化来说，培养初期，水体中磷的浓度比较高，附着生物对其有一定的去除作用；培养后期，水柱中磷的浓度比较低，附着生物不但不去除水中的磷，而且还向水柱中释放磷，这可能与附着生物向水体分泌碱性磷酸酶密切相关。

Facing the water conservancy development in the knowledge economy era,the way of thinking must be changed,the relation between human and water be co ordinated harmoniously,special attention be paid to the continuable utilization of water resourses and projects, modernization progress be sped up and modernized way of developing water conservancy be followed.

面临知识经济时代的水利发展，必须转变治水的思路，协调好人与水的和谐关系，重视水资源的可持续利用和水工程的可持续利用，加速现代化进程，走现代水利的道路

In this paper, the Kirgiz Autonomous area is taken as representative area. Analyzing the factors impacted on soil water salt distribution and salt concentration, combining the local climate data, groundwater level and soil water monitoring data. Simulated the salt-water dynamic regime on WAVE model for the year of 2003 in the representative area. Gained vertical profile and distribution map, structed the reasonable 1D soil water salt numerical model.

本文着重以克州典型试验区为例，分析土壤水分以及影响土壤盐分分布和浓度的各种因素，结合室内试验确定土壤水分运动参数，并以当地的气象资料、地下水位和土壤水盐监测资料为基础，利用WAVE模型对2003年典型区的土壤水盐动态进行了模拟，得出现状情况下典型区内土壤水盐的垂向分布图及年内分布图，并为典型区构建出了合理的土壤水盐一维数值模型。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。