There are roadway floor heave types such as extrusion,bending under pressure,expansion and shearing dilation,among them bending under pressure is the most common type.
巷道底臌有挤压、压曲、膨胀和剪胀等形式,压曲底臌是最常见的一种形式。
A study was made on researching the effect of hot-pressing parameter to vertical density profiles of fiberboard and analyzing the relationship between hot-pressing time,pressure and the vertical density profiles with the specific hot pressing curve.
研究热压参数对纤维板断面密度分布的影响,并针对特定的热压曲线分析了热压压力和热压时间与断面密度分布的关系。
The thermal deflection of saw blades with different number and length of slots was measured,and the vibration behaviors of saw blades with different number, length and width of slots were also measured and analyzed.
在实验室条件下 ,对各种不同结构、数量的开槽木工锯片的热压曲变形量和振动性质进行了详尽地测量和分析 。
