这段话有点难翻译,请教高人!? the metal sheeting must be rounded off and the longitudinal and circumferential joints shall be crimped. 金属板必须制成圆形,经向与环采用波纹型接头。 longitudinal joints of the jacketing shall be so located that they do not point into the main wind direction. the arrangement of the longitudinal horizontal joints shall be in the lower part (clockwise in the 4 to 8 o’clock position). the use of pre-fabricated or moulded jacketing pieces is permitted. 外罩的经向接头定位不要让接头处于主风向。经向水平接头的布置应位于下部(顺时针4到8点位置)。允许采用预成型或模压件。 这是保温铁皮的内容,个人理解,请大家指点。。查看更多