导管孔径大小不均，排列疏松。
The vessel elements arranged sparsely, and aperture sizes are variance.
举例说明了强力焊管孔型设计方法。
The pass design method of high strength welded pipe is also explained with examples.
目的观察枢椎侧弓上滋养血管孔的分布。
Objective To observe the distribution of nourishing vessel entrance on lateral arch of C 2.
二是发泡难度大，管孔之间极易产生大量空洞。
Two is difficult to foam, easy to produce a large number of holes between the tube holes.
近年来作者在木材构造研究中发现了原环型管孔式。
A group of new type pore pattern was found out by the authors in some years past.
介绍了该法的设计原理和特点，并附有异型管孔型设计图。
This article introduced the design principle and characteristic, also appended irregular pipe roller design diagram.
木栓厚度，通气组织，管孔直径和导管数量与抗涝性相关。
The thickness of phellem, aerenchyma, diameter of vessel holes, and the number of vessels are related to the anti-waterlogging character.
在统计分类法中，采用方差分析法分析管孔的面积变异系数。
In statistics classification, analysis of variance were applied to analyze the coefficient of variation of area of pores.
塞住排水管孔道的那个塑料袋被拉了出来，水从孔道中排了出去。
The plastic bag dislodges from the porthole in the wall and the water drains from the room below him.
横切面上树脂道不具有光滑的细胞边缘，分布密度远低于管孔。
Compared with pores, resin canal doesn't have smooth edge and it's density is far lower than that of pores.
对目前气缸盖气门座圈和导管孔的几种一般加工工艺进行讨论。
Discussing several ordinary processing technologies of valve seat ring and valve stem guide hole of cylinder head now.
行使预埋在结构层中的排水管孔作为变形预设缝，防止裂缝开展。
The use of pre buried in the structural layer of the drainage pipe hole as a deformation of the default seam to prevent the development of cracks.
同时引入了过变形概念，这对其它异型管孔型设计也很有借鉴作用。
Meanwhile over transform conception is introduced and this is also use for reference to other rectangular pipe pass design.
砂岩发育的土壤主导因子是土层厚度、非毛管孔隙度和腐殖质层厚度。
The major factors of the soil developed from arenite were soil-layer depth, non-capillary porosity and humus depth.
对影响气缸盖气门座圈和气门导管孔的加工精度的诸多因素进行分析。
Analyzing the many factors of affecting the processing precision of valve seat ring and valve stem guide hole of cylinder head.
与总孔隙度和毛管孔隙度相比，通气孔隙度在反映土壤压实时更为敏感。
Aeration porosity is more sensitive than total and capillary porosity to reflect soil compaction degree.
岩石孔隙按大小分组后，每一组孔隙的氢核弛豫时间可以用球管孔隙模型计算。
All pores are divided into different groups by their radii, and the relaxation time of each group can be calculated with the sphere-capillary model.
并分别得出土壤容重、比重、毛管孔隙度和饱和导水率与粉煤灰用量的模拟方程。
The simulation equation between these ecological factors and the amount of coal fly ash was gained.
超临界锅炉水冷壁螺旋管屏的平衡管管孔加工难点和要点，以及解决的工艺措施。
The main points and difficult points in the drilling machining of balance tube for screw panel in the drilling and the method of solving these problems are introduced in this article.
目前牛牌产品的管间距已达到理论极限—61毫米，内胆管孔连接处仅为7mm。
The tube spacing cattle brand products have reached the theoretical limit of 61 mm, inner tube hole connection is only 7mm.
实验中比较了不同膜管孔径、膜管面积、操作压力等对乳酸杆菌发酵液浓缩效果的影响。
The effect of the different aperture size and the area of the membrane, operation pressure were studied.
节能灯杯上盖和节能灯杯底板上均设有通风散热孔，并且在节能灯杯底板上设有灯管孔。
The upper cover and base plate of energy-saving lamp cup are provided with holes for ventilation and heat dissipation, and the base plate is provided with a light tube hole.
采取有弧度的圆形镶块，以对接接头的形式堵补部分管孔，将其移位到管道上的合适位置。
The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes.
工业锅炉制造中管孔加工量约占锅筒集箱工作量的40%，操作者失误即可能造成该锅筒报废。
The processing capacity of the holes in pipe is about 40% of the processing capacity of the boiler drum and collecting header in boiler fabrication.
林地土壤抗蚀指数与其相关因子非毛管孔隙度、毛管孔隙度、稳渗率、有机质含量关系最密切。
The soil erosion resistance indexes have very close relations with non-capillary porosity, soil capillary porosity, final infiltration rate, the content of organic matter.
红树植物导管数量多、管孔小、机械组织为韧型纤维，薄壁组织次生加厚明显是适应环境的特征。
Many vessel numbers, small pore, libriform fibres (mechanical tissue)and obvious secondary thickening of xylem tissue are the features of adaptation to the environment.
接着，用水族箱硅胶把法兰盘底、四个螺丝孔以及管孔周围全都涂抹上，然后钻入四枚木螺钉固定好。
Then, use the aquarium silicone to seal under the flange around all 4 screw holes and around the pipe hole and screw it down with 4 short wood screws.
介绍了发动机上重要部件汽缸盖中气门导管孔和密封带在加工中心上的工艺方法，并对其进行了分析。
This article introduces the engine important parts cylinder head valve pipe hole and sealing trip on their technical method and analyse used in the machining center.
介绍了发动机上重要部件汽缸盖中气门导管孔和密封带在加工中心上的工艺方法，并对其进行了分析。
This article introduces the engine important parts cylinder head valve pipe hole and sealing trip on their technical method and analyse used in the machining center.
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