A.have nothing to do with B.having nothing to do with C.have much to do with D.having much to do with
A.for the release of air B.for the release of water C.in order to the release of air D.because the release of air
A.The ballast system B.The salt water system C.The bilge system D.The domestic system
A.thrust block B.sounding rod C.connecting rod D.push rod
A.after TDC B.before TDC C.after BDC D.before BDC
