爆破减振保护层
the protective layer for reducing blasting vibration
薄膜保护层
thinfilm protective coating
侧壁保护层
sidewall protection layer
超距离下保护层
low protected seam with ultra distance
电极保护层
the protection layer of electrode
electrode protection layer
电缆护层保护器
protector for cable sheath
sheath protector
独立保护层
independent protection layer
钢筋保护层
reinforced concrete cover
the cover of reinforcement
cover depth
layer of reinforcement
钢筋的混凝土保护层
Concrete Cover to Reinforcement