From the basic concept of the materialist dialectics,and the relations between the types and properties of pores within the concrete,the rule in which the aperture size of concrete acts on the durability of the concrete was explored.
探索了混凝土孔径尺寸影响混凝土耐久性的作用规律,提出混凝土孔隙半径与使用寿命关系的数学模型和修正系数。
On the basis of the Darcy formula and the Cantor equation, the impact of the aperture size of concrete to its impermeability was discussed.
根据Darcy公式和Cantor方程,研究了混凝土孔径尺寸对其抗渗性的影响。
The shape of the reference face of tapered roller and its lbrocessing have regulation contact with its diameter size.
圆锥滚子的基面形状与加工留量和其直径尺寸间,有着规律性的联系。
Performance Analysis of Large-Aperture Receiving and Selection of Aperture Size in Atmospheric Optical Communications
大气光通信中大孔径接收性能分析与孔径尺寸选择
Influence of Dimple Diameter on Dynamic Performance of Gas Multi-pored Face Mechanical Seal
气体多孔端面机械密封孔径尺寸对密封动态性能影响研究
Extending Artificial Bore Stake Diameter Size and Economy Analysis;
对人工挖孔桩扩大头直径尺寸及经济性的分析
Broe gauges are used to measure internal hole dimensios and shape errors of different diameter and depth by comparative method.
内径百分表适用于比较法测量不同直径和深度和内孔尺寸及误差。
"The pin gauges are used to measure the whole distance, the pitch diameter of the thread, etc. Especially, they are suitable for curved groove width measurement."
针规适用于机械加工中孔径、孔距、内螺纹小径的测量,特别适于弯曲槽宽及模具尺寸的测量。
"R.Radius, represents curve dimension."
半径,表示曲线尺寸
The fixing holes of light rack should comply with those of lamp seat.
灯脚固定孔尺寸、置以灯座实际尺寸为准。
Drag onto the page. Right-click to change hatching, edit bore or fillet radius dimensions, and other settings.
拖到绘图页上。右击可更改阴影线、编辑孔半径或圆角半径尺寸以及其他设置。
That can pass through a given pore size.
可滤过的能通过一给定微孔尺寸的
Types and dimension for coupling bores and their connection
GB/T3852-1997联轴器轴孔和联结型式与尺寸
A twist drill is designed to drill a hole which has a particular size.
麻花钻用来钻削具有一定尺寸的孔。
Analysis of calculation of expanded size of punched hole and compression punching type;
浅析抽孔、压缩抽型的展开尺寸计算
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
Vugs and fractures are highly variable in size and in distribution.
岩穴与裂缝在孔的尺寸和孔分布上变化不一。
Frequency of the wide-band sandwich transducer with single hole in relation of the hole's size
穿单孔换能器的频率与孔尺寸间的关系研究
The Control of Cylinder Cover Spring Holder Hole Cutting tool and Sinks the Hole Depth Size
气缸盖弹簧座孔刀具与沉孔深度尺寸的控制
Flat belt drive pulleys diameters
GB/T11358-1989平带传动带轮直径尺寸
Radial turbocharger--Connection dimensions
GB/T9485-1988径流式涡轮增压器连接尺寸