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A new pile-driven technology named air curtain dry soil withdrawal can reduce resistance of a sinking pipe by withdrawing soil from the pipe and installing air curtain on the outside of pipe.

空气幕、套管内干取土沉管灌注桩这种新的施工工艺是通过套管内取土，套管外设空气幕来减少沉管阻力。

The cut-off valve with pilot valve without hand wheel, stem and lift nut inside will guide block and guide slot Butterfly Valves to guide sleeve, the disc-shaped disc to disc type bowl shape, and holes in the bottom of the flap valve to open, the valve cover of the original valve stem hole to hole diversion, because of increased pressure ring, ring, and the valve flap to class mortar, so that the flow passage separated the upper chamber cavity, external cavity, cavity, in the cavity and The external cavity increases with draft tube and stainless steel manual ball valve, flap valve in the cover plate and the center of the end of installing the spring, the upper flap valve install compression seal of the pressure ring, outside the cavity of the wall to open a Drainage holes.

带先导球阀的截止阀无手轮、阀杆和内升降螺母，将导向块与导向槽改为导向套，将盘形阀瓣改为类钵体形阀瓣，并在底部开阀瓣孔，电动蝶阀将阀盖原阀杆孔改为导流孔，因增加压环、密封圈和将阀瓣改为类钵体，使上通流腔分隔为上腔、外腔、内腔，在上腔与外腔的外部加设有导流管与不锈钢手动球阀，在盖板与阀瓣底的中心部加设弹簧，阀瓣上部加设压紧密封圈的压环，在外腔的壁上开有放水孔。

When you are installing servo pushrods in boats, many times you will find that the ideal straight line between the servo and the rudder or throttle bellcrank is not practical.

当您安装伺服pushrods在船，很多时候你会发现，理想之间的直线伺服和方向舵或油门bellcrank是不切合实际。

Joint-seal Glue Injector is a small device which is used to inject the glue into the concrete joint with the pressure, adopting the glue-injection piston and spring structure design, without the glue bag, fixing the piston in the front the push rod, installing the high strength spring onto the push rod, after release the lock latch of the push rod, pushing the piston and the push rod forward with the tensile force of the high strength spring, so pressing all of the glue liquid from the glue-injection cylinder into the joint.

灌缝胶注胶器是一种对混凝土裂缝持压注胶的小型设备，采用注胶活塞和弹簧的灌缝胶注胶器结构的改进，舍去了胶囊，通过在推杆前端固定注胶活塞，在推杆上套置高强度弹簧，在松开推杆的锁扣后，利用高强度弹簧的张力，可推动注胶活塞连同推杆前移，将注胶筒内的胶液完全压出注入建筑结构的裂缝中，价格低廉，性价比高，操作方便，施工安全，清洗方便，可多次重复使用。

When installing a drain line, use Series 909 air gaps on Model 909 backflow preventers.

在安装排泄管线时，在型号909防回流阀上采用系列909气隙。

Installing highly energy efficient tunnel fans can easily reduce the cost of ventilating a poultry house by thousands of dollar a year.

安装高效节能隧道风扇的禽舍，一年可节约数千美元通风成本。

Installing pavers is a straightforward, although time-consuming process.

安装摊铺机是一种简单，但耗时的过程。

Through installing pressure pipeline filter in hydraulic system, effectively eliminate impurity in the system, and extend service life of hydraulic system.

通过在液压系统中加入压力管路过滤器，有效消除了系统中的杂质，提高了液压系统的寿命。

At the same time, the car water pump is prone to suffer from cavitation erosion at the entrance of the water pump . So installing a low-pressure radiator cap is usually a useful help.

气蚀是汽车水泵的另一个问题，一般在水泵的进水侧会出现腐蚀，所以通常都安装一个低压散热器盖。

Designed a set of Fiber Bragg Grating sensor system based on phase generated carrier and unbalanced M-Z interference sy- stem,it is used to check the temperature of bubble in the boiler and the reaction of rail when the machine is shearing, meanwhile, it gave its own thoughts for Fiber Bragg Grating sensor system's installing method when doing parameter measuring.

设计了一套基于相位载波零差法和非平衡M-Z干涉系统的光纤Bragg光栅传感系统，用来检测锅炉汽包温度和切削时车床床身导轨的应变，并对在参数测量时光纤光栅传感系统的安置方式提出了自己的思考。

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。