我还记得上学时那些不得不写的批孔作文。
I still remember the essays I had to write at school denouncing him.
水性中涂封孔层： 选用荣扬水性中涂，加入适量石英粉，搅拌均匀后，施工方式为刮批。
Sealing aperture coating: Rongyang middle coating with suitable amount of quartz powder is used and constructed by shaving after even agitation.
水性中涂封孔层： 选用荣扬水性中涂，加入适量石英粉，搅拌均匀后，施工方式为刮批。
Sealing aperture coating: Rongyang middle coating with suitable amount of quartz powder is used and constructed by shaving after even agitation.
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