这段很难翻啊,希望高人指点!? the sheets shall be formed and the longitudinal and circumferential joints shall be swaged (crimped). 板材的成型及纵向与环向采用波纹型接头。 the longitudinal joints may also be canted (turned on edges). 给向接头也可以采用切边(卷边); the front faces shall be performed with standing joints or double lock joints (upright joints; single or twice folded). the use of pre-shaped or moulded parts is permitted. 前端面采用立式接头或双锁边接头(竖直接头、单或双折边)。许可采用预成型或模压部件。 个人理解,请大家指点。。查看更多