Watertight compartments are separated by ________

A．engine rooms

B．tweendecks

C．dunnages

D．decks and bulkheads

[单选题]（） is made of a boss with separated blades mounted into it.A . A variable pitch propellerB . A variable pitch nutC . A fixed pitch parallelD . A fixed pitch screw

[单选题]［A］ abandoned ［B］ caught ［C］ separated ［D］ involved

[单选题]These factorsinteract [intimately] and cannot be separated.A.tenselyB.nearl

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th

[单选题]Britain and France are separated by the English Channel, a body of water th