The frame number marks, made of steel plate shall be welded and painted on the hatch coaming and bulwark at the place of every 10 frame-space and at every bulkhead.

每隔10档肋位和每一舱壁处要用钢板割的肋位标记焊接到舱口围和舷墙上。

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Frame: the frame is made into a space frame structure, including the welded longitudinal beam and the whole pulling-through crossbeam, of which are made of 16mn vehicle steel.

车架：车架采用16 Mn车用钢板制成的焊接式纵梁和整体贯穿式横梁组焊而成的空间框架结构。

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The developing process of welded pipes made of high climate resistance low-alloy steel in "Eastern Pearl" space netted structure is discussed.

前言： 论述了用于上海市“东方明珠”球体空间网架结构的高耐候性低合金结构钢焊接钢管的开发研制过程。

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