加拿大外贸
The Model 800MD and 800MDF Skylightsmeet the FM Approvals requirements for a 180 psf (8.6 kPa) wind uplift rating when secured with through predrilled attachment
points spaced max 16 in. (406 mm) o.c. along both sides and ends to min 2 x 6 dimensional wood framing.
评论
it is true, I have no idear at all, what is it about? which industry?
评论
坐等LED行业高手。。。。
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me too, it is about skylight for roof
something too profession, the grammar is totally confused
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meet the FM Approvals requirements for a 180 psf (8.6 kPa) wind uplift rating when secured with through predrilled attachment
符合FM标准:穿过已钻过孔的附件固定之后风浮力的等级为: 180psf <psf是英制压力单位:pounds per square foot 磅/平方英尺 (p/f^2)>。(8.6千帕)
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points spaced max 16 in. (406 mm) o.c. along both sides and ends to min 2 x 6 dimensional wood framing.
支点空间的最大值为:16英寸(406MM) 双面和木框末端过流的最小度数为:2X6
有点语无伦次的,没接触过这个行业也不知道有没有FM标准。仅供参考。
评论
meet the FM Approvals requirements for a 180 psf (8.6 kPa) wind uplift rating when secured with through predrilled attachment
符合FM标准:穿过已钻过孔的附件固定之后风浮力的等级为: 180psf <psf是英制压力单位:pounds per square foot 磅/平方英尺 (p/f^2)>。(8.6千帕)
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points spaced max 16 in. (406 mm) o.c. along both sides and ends to min 2 x 6 dimensional wood framing.
支点空间的最大值为:16英寸(406MM) 双面和木框末端过流的最小度数为:2X6
有点语无伦次的,没接触过这个行业也不知道有没有FM标准。仅供参考。
再次仰视
评论
做过LED但是没有里面你说的这些东西
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