例句與造句

1. Among the first-ever accomplishments were, most notably, the lift of the 1, 000 ton damaged rig substructure, the repairs to both of the Mars product export pipelines in 2, 000 feet of water and the mooring of the Safe Scandinavia in 3, 000 foot water depth.
2. It's difficult to find rig substructure in a sentence. 用rig substructure造句挺難的