Correct

顶板

/ dǐngbǎn /
Strokes

Definition

roof/roof plate/rock layer forming roof of a cave or mine/abacus

Example

As a Noun

roof (of a shaft, etc); tip plate

1
Zhíxiàn
直线
dǐngbǎn
顶板

immediate roof

2
Dǐngbǎn
顶板
yánshí
岩石

roof stone

3
Dǐngbǎn
顶板
压力

roof pressure

4
Dǐngbǎn
顶板
xiànluò
陷落

roof caving/fall

As a Noun

ceiling