Each cover consists of two or ()panels.
A、two
B、one
C、more
D、much
A、two
B、one
C、more
D、much
A、Each hatch consists of two panels. B、Each hatch cover consists of two panels. C、Each hatch consists of two or more panels. D、Each hatch cover consists of two or more panels.
A、Many ships have two derricks at each hatch. B、Many ships have two winches at each hatch. C、Many ships have two derricks and two winches at each hatch. D、Many ships have two derricks and two winches at each hatch cover.