Block III造句怎么写

2、The Virginia-class Block III submarines are being built by Northrop Grumman Shipbuilding and General Dynamics Electric Boat.

1、The OCX modernization effort will provide mission enterprise control support for the nation's existing GPS Block II and future Block III satellites.

3、This new agreement extends the relationship to the newest Apache, the AH64D Block III, making it a milestone in the partnership between the two companies.