What does the abbreviation SWL stand for?().
The abbreviation of “GP” in the passage can probably mean.
The abbreviation "GM" is used to represent the ()
The abbreviation C0W in tanker operations stands for().
The abbreviation "TDS" about the potable water probably means ().
SOLAS is the abbreviation of().
What does the abbreviation VHF stand for?()
The abbreviation TDC means ().
The abbreviation "GM" is used to represent the ()
The abbreviation RYC in a marine cable generally stands for().