hollow shell pill 空心管桩
hollow shell foundation 空腔壳基础
hollow web latticed shell 空腹网壳
hollow thin-shell high piers 空心薄壁高墩
A new hollow shell formation method, the reverse bending process, is presented.
介绍了一种新型管坯成型方法——反弯成型法。
The fan frame is provided with an outer frame, the inner side of the outer frame forms a hollow motor shell in an integrative molding way.
该扇框具有一个外框部,该外框部内侧以一体成型方式 形成中空的一个马达壳;
This paper expounds the making technology and technical properties of a new compound block which USES the hollow concrete block as the shell and is filled with foam concrete in its cores.
本文论述了一种以混凝土空心砌块为外壳,孔洞内充填泡沫混凝土的复合砌块的制作方法及其技术性能。
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