在上接近面板涂一层密封胶。( )
A.Apply a layer of solvent on the top access panel B.Apply a layer of sealant on the top access panel C.Apply a layer of sealant on the bottom access panel正确答案B
在上接近面板涂一层密封胶。( )
A.Apply a layer of solvent on the top access panel B.Apply a layer of sealant on the top access panel C.Apply a layer of sealant on the bottom access panel正确答案B