the pipe-stake with pretensioning prestressing concrete thin-wall
先张法预应力混凝土薄壁管桩
equipped with safe lab system; thin-walled cooling pipe consists of a translucent and gastight pfa tubing;
薄壁式冷却管包括半透明的和不漏气的PFA材质两种;
(life assessment of thin-wall main steam pipe based on the actual load wave and running life expense)[a]
借助实际载荷谱及此确定的运行寿命损耗预测“薄壁”主蒸汽管道的剩余寿命
this paper describes design, test and 28-year applications of a cold-formed thin-walled square pipe roof truss of 30m span for a rail beam workshop of baotou iron and steel company.
本文介绍了包钢轨梁车间采用的30m冷弯薄壁方管屋架的设计、试验及二十八年来使用情况。
design of thin-walled pipe necking die
薄壁工件缩口模的设计
The expansion method by negative pressure for preparing thin-walled heat shrinkable pipe continuously was detailed.
重点介绍了利用负压连续制造薄壁热收缩管的扩胀方法.
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