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99yzy
发表于 2021-5-15 21:27:56
这位敌人,给您做个修改:ZERO point is the coincident point of the centre axis of the post and the horizontal plane cutting the post. When taking a measurement between the two posts, distance is calculated from one centre line of the post to the other.
此外,围墙资料:1. 假如是木质的,木材的宽度不是只要一种规格(即木板宽度不定,例如:20妹妹,30妹妹,50妹妹等等);2. 假如是铁质的,个别是colorbond with top reinforcing channel,资料的宽度也不是只要一种规格。详细宽度请查阅colorbond各种外形的宽度(网上有)。
掌柜的解答: 详尽,主观,专业,有货,值得信任! |
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