好奇,濕度是指空氣裏的水分飽和度,他怎麽測地麵的“濕度”“?忽悠?
所有跟帖:
• 他有個儀表,往地上一放,就出來讀數。他說,是水泥有滲水毛孔,有毛細現象。如果沒有塗層,可以用ghostshield 9500. -薛成- ♂ (65 bytes) () 09/12/2017 postreply 14:16:13
• 他有個儀表,往地上一放,就出來讀數。他說,是水泥有滲水毛孔,有毛細現象。如果沒有塗層,可以用ghostshield 9500. -薛成- ♂ (65 bytes) () 09/12/2017 postreply 14:16:13
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