管道运输业的主体是管道，管道工程的核心工作是管口的焊接。
The subject of pipeline transportation is pipeline; the core of pipeline project is nozzle welding.
然后，当你拔起堵住管口的塞子时，使用过的水就会顺着排水管流走。
Later, when you unplug the stopper, the used water will go rushing out down the drain.
为满足泵管口的受力要求，提出了采用波纹管补偿器时应采取的措施。
Measures for adopting bellows expansion joint have been proposed to meet the requirement of allowable force in the inlet of pump pipeline.
从髓室自根尖方向，牙本质小管口的直径、密度和相对面积均逐渐减小。
From pulp chamber to root apex, the diameter, the density and the mean percentage area of tubular openings all reduced gradually.
牙本质小管口的相对面积各组之间的差异均有显著性（P<0.05）。
There were significant differences ( P< 0.05) in the relative area of the dentinal tubule orifices between two groups.
目的：评价手术显微镜用于探寻上颌第一恒磨牙mb 2根管口的诊断价值。
PURPOSE: To estimate the diagnostic potential of the dental operating microscope use for locating MB2 orifice in maxillary first molars.
作用在设备管口的荷载过高，引起了设备变形过大或者应力过高，影响设备正常运转。
Loads acted on equipment nozzles connected with pipes are too high, or too much deformation and stress occurs on equipment. Thus the normal running of equipment is affected.
本实用新型属于密封装置，具体涉及一种应用于管制瓶烧制过程中密封管制瓶管口的硅胶帽。
The utility model belongs to a sealing device and relates particularly to a silica gel cap used for sealing the nozzle of a tube vial in the burning process of the tube vial.
所述喷管容纳在连接件(7)中，该连接件通过连接到用于管口的可枢转盖(9)的凸轮(8)可以移动。
The spout is accommodated in a junction member (7), which is movable by a CAM (8) connected to a pivotal cover (9) for the mouthpiece.
充气器的进气口可插紧在支管口内的阀门中，开启阀门。
The air inlet of the inflator can be tightly plugged in the valve inside the branch pipe port to open the valve.
异径管也叫大小头，两端管口直径不同，用于连接不同直径的管子或法兰进行变径。
Different-diameter pipe size head, also called tube diameter at different, used to connect different diameter of pipe or flange diameter changes on.
平板金属膜底面中央贴设有真空吸附管口，真空吸附管连接真空吸附装置的出口。
A vacuum adsorption nozzle is stuck on the center of the bottom surface of the metallic film of the flat plate, and a vacuum adsorption pipe is connected with an outlet of a vacuum adsorption device.
目的观察急性低温低氧共同作用下家兔肠系膜微血管口径和血流速度的效应。
Objective To observe the changes of the caliber of mesentery microvessel and blood flow velocity in rabbits on the common role of acute hypothermia and hypoxia.
分支装置使用管托状的密封件通过主管上的管口将支管连接到主管上。
A branching device connects a branch pipe to a main pipe through an orifice in the main pipe utilizing a saddle-like sealing member.
本实用新型涉及节能灯管制造领域，特别是一种用于对节能灯管吹气的新型管口吹气装置。
The utility model relates to energy saving lighting tube manufacturing field, in particular to a novel tube opening blowing device used for blowing the energy saving lighting tube.
目的探讨钬激光治疗输尿管口囊肿的疗效。
Objective To investigate the therapeutic effect of holmium-laser on ureteroceles.
血管口径用手术显微镜的目镜标尺测量，血管长度和分布范围用直尺和分规测量。
Vascular caliber with operating microscope eyepiece scale of measurement, the length and distribution of blood vessels using a ruler and measurement of sub-regulation.
方法：检查了23例干燥下颌骨标本，测量了舌侧管的数目、位置、管口直径、长度和走向。
Methods: On23dry mandibles, the number, location, diameter, length and direction of lingual vascular canals were measured.
目的：介绍一种由螺旋型根管钻、自行设计的根管口台阶状车针、预成桩核组成的预成桩核系统。
Objective:To introduce a new prefabricated post-and -core system, a helical drilling bit and a prefabricated post-and -core consisting of a root canal orifice bur which was designed by the author.
在灌流液中加入适量的抗凝剂，可以避免插管管口被血凝块堵塞，也可以提高实验效果。
The pouring fluid added with anti-coagulant properly may avoid plugging inserting pipe with blood clotting lumps and also may enhance experiment effect.
此外，尽管口服抗凝药的实验监测也许并无必要，但还需开发这类药物的解毒剂并对其效果加以检测。
Moreover, although lab monitoring with oral anticoagulant may not be necessary, antidotes of such compounds still need to be developed and tested for their efficacy.
本文对石油化工装置设计中塔顶、塔体侧面和塔底管道的设计，人孔布置及管口方位的设计要点做简要介绍。
In this paper, the design points of petroleum chemical equipment such as tower top, side and bottom piping, manholes layout and the nozzle position are introduced briefly.
1号货舱的右污水井测深管的螺纹部分也被腐蚀而且管口盖遗失。
Also the starboard bilge sounding pipe of No. 1 cargo hold was corroded at the thread section and the closing cap was missing.
此款泵是由阳极氧化铝制成的，具有黄铜管口，并且此产品可供选择的范围很广泛，可以满足具体的需求。
The pumps are made of anodized aluminium, have brass nozzles, and can be supplied with a wide range of options to meet specific application requirements.
对于需要水箱水温分层的储热水箱，如顶水使用的储热水箱，应降低管口流速。
For the hot water storage tank to the water temperature stratification, such as the top of the hot water storage tank water use, should reduce the nozzle velocity.
我向旧书商卖了一卷我所珍藏的书，尽管口袋里有了些钱，反而觉得更加贫穷了。
I had sold to a second-hand bookseller a volume which I prized, and was so much the poorer for the money in my pocket.
一种药物吸入分配器(1)，包括具有管口(3)的塑料材料主体(2)。
A medicated inhalant dispenser (1) has a plastics material body (2) having a mouthpiece (3).
一种药物吸入分配器(1)，包括具有管口(3)的塑料材料主体(2)。
A medicated inhalant dispenser (1) has a plastics material body (2) having a mouthpiece (3).
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