bottom block

Analysis of Seismic Performance for Frame/ Shear-wall Supported Bottom-sealed Block Composite Masonry Buildings

底部框剪封底砌块组合墙房屋抗震性能分析

With review of the deficiency in the reproduction and construction of small concrete hollow blocks, four types of block were presented including main block, accessorial block as well as bottom block.

针对当前混凝土小型空心砌块块型在生产和施工中存在的不足，本文介绍包括主、辅砌块及芯柱底块在内的4种块型设计。

Discussion on scraper ore drawing bottom structure in block caving

自然崩落法铲运机出矿底部结构的探讨

Validity and feasibility of the finite difference time domain method is demonstrated by the echo-wave signal of a flat bottom hole block.

通过与平底孔试块实际缺陷回波信号的对比，验证了脉冲超声波有限差分法模拟计算的有效性和正确性。

A support method for bottom structure in block caving

矿块崩落法底部结构的支护方法

The bottom of the block is covered with an oil pan or oil sump.

缸体的底部有一个油盘或油底壳。

Simulation and Optimization of Production Process of Double Bottom Block

双层底分段建造过程的方案选优

Production Practice to Improve Machinability of Bottom Cylinder Block

改善发动机下气缸体加工性能的生产实践

On this basis, research the influence of the adjustment of the bottom slider block to the contact stress of the telescopic boom.

在此基础上，研究了下滑块调整对伸缩臂接触应力的影响。