The spherical tank (gas holder, container) will be shipped in the condition of edge prepared and bent plates.
球罐（气柜、容器）将以板加工和弯板的条件发货。
2
Open cell aluminum foams were prepared by traditional powder metallurgy process, with spherical carbamide particles as the space-holder.
以球形尿素颗粒为造孔剂，采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
3
Design condition of winder of spherical gas-holder and relationship of design parameters are discussed, and steps of determination of design parameters are put forward.