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Terms for subject Aviation containing O | all forms | exact matches only
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double o-ring双密封圈
f.o.b. airport机场离岸价
f.o.b. airport机场交货价格
o-ring O形圈
O-type gridsO 网格
relay N.O. contact继电器常开触点
retest O. K.复试合格
serial I/O串行输入/输出
system I/O系统输人/输出