查询词典 line pipe

Dynamic pressure averaging pipe was generally applied to blowing rate measurement in rectangular pipe of power plant, the average velocity of flow in the section was represented by the average dynamic pressure at the line through the geometric center of the cross section, and then the blowing rate was determined.

针对这一问题，本文设计了基于"对数契比雪夫法"的送风流量测量装置，将5支动压平均管置于同一截面，按"对数契比雪夫法"选点位置开孔，把这5支动压平均管的静压输出孔、总压输出孔分别连接到一起作为传感器组件的差压输出，实验表明这种方法使测量准确度明显提高。

We are company specializing in the production and sale of nylon cable ties, plastic expansion pipe, nail-line card, secure isobar caps, Pipe, positioning chip, terminal block wiring and other equipment businesses.

我们是一家专业生产及销售尼龙扎带、塑料膨胀管、钢钉线卡、安全型压线帽、缠绕管、定位片、接线端子等配线器材的企业。

The optimization of water supply pipe networks is such a complicated work that includes creating networks model, calculating node demand, distributing initial flow, deciding initial imaginary flow, optimizing design, drawing pipe networks and isopiestic line .

给水管网优化系统是一个比较复杂的系统，包括建立管网的物理模型、计算节点流量、分配初始流量、确定初始虚流量、优化计算、绘制管网图及等压线图。

This paper describes the pipe pushing robot technology without earthmoving NTT for underground pipe line construction in Japan.

机器人技术的研究与开发在我国已取得较大的成绩，但我国还没有地下管线施工机器人[2 ] 。

Edge communications companies seamless steel pipe production line length of 400 meters, 100 meters wide by more than 300 sets of ancillary equipment, of which there is tube grinding, sawing equipment, tube furnace, piercing machine, rolling machine, stepper heating furnace, micro-stretch reducing mill, cooling bed, straightening machine, pipe cutting machine, testing machines, finishing equipment.

力通联公司无缝钢管生产线全长400米，宽100米，由300多套附属设备组成，其中有管坯修磨、锯切设备、管坯加热炉、穿孔机、轧管机、步进式加热炉、微张力减径机、冷床、矫直机、切管机、探伤机、精整设备等。

Shanghai Co., Ltd. in the plastic pipe industry in China specializing in the production of PP-R pipeline system, one of the production, the company headquarters is located in the Shanghai Composite Industrial Development Zone Zhuang line industrial roundwood production base covers an area of about 30,000 square meters, the company each year Productivity reached 10,000 tons produced a total of 20-160 mm in 10 series, three colors, nearly four pressure levels over 300 species of specifications and pipe fittings.

上海中塑管业有限公司是我国专业生产PP-R管道系统的生产商之一，公司总部座落于上海综合工业开发区庄行工业圆，生产基地占地面积约30000平方米，公司每年生产力达到10000吨共生产20-160mm的十大系列，三种颜色，四大压力等级近300多个规格品种的管材和管件。

T-P-001 series plastics pipe material production line is mainly used in producing diameter and various wall thickness plastics PVC pipe materials for water-supply and drainage of industry and agriculture;water-supply and drainage of buildings,wire laying and xxxxx machine unit is composed of cone double-screw-stem extruder,vacuum shaping table,tractor,cuter,turn-up frame and others.

茶多酚- 001系列塑料管材生产线主要用于生产直径和各种壁厚塑料聚氯乙烯管材用于供水和排水系统的工业和农业；水厂供水和排水的建筑物，电线铺设xxxxx机组组成锥形双螺杆挤出机干，真空成型表，拖拉机， cuter ，把行动框架等。

In the invention, heat exchanging pipe is washed once by water in every interval. The scale removal flow is provided with big shear stress and strong embedding ability. It can wash gruel sale of the pipe wall down and clean on line so that purposes of maintaining high-efficiency heat conduction of air cooler, prolonging the running period of air cooler and decreasing operation cost, are achieved.

本发明每间隔一段时间，通入水对换热管束冲刷一次，除垢水流的剪切应力大，裹挟能力强，能使管壁上剥落的粥样水垢冲刷掉，起到在线清洗的作用，从而达到维持空冷器高效传热、延长空冷器运行周期、降低运行成本的目的。

In a typical trip out of the hole, the derrickman wears a special safety harness that enables him to lean out from the work platform to reach the drillpipe in the center of the derrick or mast, throw a line around the pipe and pull it back into its storage location until it is time to run the pipe back into the well.

在典型的起钻过程中，井架工系上特殊的安全带，这样能够使他从工作平台上倾斜去接近位于井架或者桅架中央的钻杆，扔一根绳子去缠绕钻杆，然后拉动钻杆到其存储的位置，直到再把这些钻杆下入到井眼时为止。

Box thread high pressure boiler pipe: this product is one kind of endophragm processes the spiral line the seamless steel pipe.

该产品是一种内壁加工成螺旋线的无缝钢管。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。