“NWU”是“Navy Working Uniform”的缩写，意思是“海军工

11.25 -

“NBS”是“National Bureau of Standards (1901–1988) (

11.24 -

“NPSH”是“National Pipe Straight Hose Thread

11.24 -

“NST”是“National Standard Thread (US fire hoses) (

11.24 -

“NSC”是“National Standard(s) of Canada”的缩写，意思

11.24 -

“OFM”是“Ontario Fire Marshall”的缩写，意思是

11.24 -

“ESA”是“Economics and Statistics Administration”的

11.24 -

“CWS”是“Cold Water Stream”的缩写，意思是“冷水流”

11.24 -

“SSA(s)”是“Secret Service agent(s)”的缩写，意思是“

11.24 -

“SA”是“Special Agent”的缩写，意思是“特工”

11.24 -