?不燃材料    non-combustible material

?不凝结机,无凝结[动力]机    non-condensing engine

?无冷凝器[动力]机    non-condensing engine

?非导性材料    non-conducting material

?非导体    non-conductor

?不连续衬垫,非整体衬垫    non-continuous liner

?非腐蚀材料    non-corrosive material

?无曲柄泵    non-crank (or crankless) pump

?非破坏检查    non-destructive examination (NDE)

?非破坏性检查    non-destructive inspection (NDI)

?非破坏试验    non-destructive test (NDT)

?非分解式,固定式    non-detachable

?额外[委托]验船师    non-exclusive surveyor

?不胀汽机    non-expansive engine

?非铁金属    non-ferrous metal

?耐火漆,防火漆    non-flamable paint

?防火漆    non-flamable paint

?耐脆性    non-fragile

?不冻混合物    non-freezing mixture

?非气遮蔽电弧焊    non-gas shielded arc welding

?非政府间组织    non-governmental organizations

?非线性破坏力学    nonlinear fracture mechanics

?非线性规划    non-linear programming

?非线性振动    nonlinear vibration

?非磁性钢    non-magnetic steel

?地磁探测船    non-magnetic vessel

?非金属夹杂物    non-metallic inclusion

?非客船    non-passenger ship

?非[旅]客船    non-passenger ship

?无动力船    non-powered ship

?非动力船    non-powered ship

?无压力焊接    non-pressure welding

?非传播裂痕    non-propagating crack

?不回流阀    non-return valve

?单向机,不可逆机    non-reversible engine

?单向引擎,不可逆引擎    non-reversible engine

?止滑表面处理    non-skid finish

?止滑材料    non-skid material

?非结构用芯材    non-structural core

?船故障[标示]灯    non-under command light

?非均等节距螺桨    non-uniform pitch propeller

?非水密舱壁    non-watertight bulkhead