bollard造句怎么写

2、cast bollard of iron or steel

4、Drag onto the page to add a bollard for blocking vehicle access.

6、An upper end of a timber that projects above a deck and is used as a bollard.

3、Symbol for outdoor lighting. Standard or bollard can be specified.

1、boat lowering bollard

5、A tug boat has to possess a high bollard pull while that is not important for a dredger.