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major overhaul
auto.	全面拆卸修理
avia.	大翻修; 重要大修
chem.	全部拆卸检修
econ.	总检修
el.	彻底修理
nautic., tech.	重大修理; 重大修
railw.	大修理
tech.	车辆大修; 大修理
textile	大检修; 大平车
wind.	大修

major overhaul: 16 phrases in 7 subjects

Automobiles	1
Aviation	6
Business	3
Economy	3
Finances	1
Space	1
Technology	1