?数值控制 NC (= numerical control)
?非破坏检查 NDE (= non-destructive examination)
?无延性转变温度 NDT (= nil-ductility transition temperature)
?美国国家电机法规 NEC (= National Electrical Code USASI, Cl.U.S.A.)
?轴颈套 neck bush
?针 needle
?针阀 needle valve
?负浮力舱(潜艇) negative buoyancy tank
?负压防护装置 negative pressure protection system
?负滑流 negative slip
?负稳度 negative stability
?负浮力舱(潜艇) negative tank
?非破坏检查 NDE (= non-destructive examination)
?无延性转变温度 NDT (= nil-ductility transition temperature)
?美国国家电机法规 NEC (= National Electrical Code USASI, Cl.U.S.A.)
?轴颈套 neck bush
?针 needle
?针阀 needle valve
?负浮力舱(潜艇) negative buoyancy tank
?负压防护装置 negative pressure protection system
?负滑流 negative slip
?负稳度 negative stability
?负浮力舱(潜艇) negative tank
?美国电机制造商协会 NEMA (= National Electrical Manufacturers Association, U.S.A.)
?荷兰国家标准 NEN (= Nederlandse Norm, Netherlands)
?合成橡胶 neoprene
?排料(电算) nesting
?净容积 net capacity
?载重量 net capacity (or dead weight)
?起网机 net hauler
?净马力 net horsepower
?布网船 net layer
?净载重,净负荷 net load
?净有效吸水头 net positive suction head (NPSH)
?网架 net rack
?滚网机 net roller
?净钢料重量 net steel weight
?净吨位 net tonnage
?净吨位 net tonnage (NT)
?网络分析 net work analysis
?布网货船 net-laying cargo ship
?[港口]布网船 net-laying ship
?港口布网船 net-laying ship
?网络 network
?网络计算系统 network computing system (NCS)
?网络档案系统 network file system (NFS)
?核能推进 neuclear propulsion
?中性轴 neutral axis
?中性悬浮 neutral buoyancy
?中性平衡,随遇平衡 neutral equilibrium
?中性火焰 neutral flame
?中线 neutral line
?中性超流替续器 neutral over-current relay