The batteries are safely enclosed in a watertightcompartment.
电池被安全地置于一个防水的隔间里。
2
The hull has seven watertight compartments, with the sail located above the second compartment.
艇体有七个水密舱，帆罩位于第二舱室上面。
3
The diving chamber is a watertightcompartment with air pipes, the lifting support is a girder structure, and the lead rails are arranged under and below the lifting support;