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joint airworthiness
 joint airworthiness abbr.
avia. 联合适航性法规
| code
 code abbr.
gen. 为...编码
el. 规则
hydroel.st. 编码; 标准
hydroel.st. од. 法规
met. ; 电码; 符号; 标记; 规则

to phrases

joint airworthiness

avia. 联合适航性法规
joint airworthiness
: 11 phrases in 1 subject
Aviation11

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