大检修 meaning in Chinese

big repair
general overhaul
major overhaul
overbaul

In order to maintain conveniently , large access door is designed
为方便给料机维护，设计了大检修门。
Strictly implement points of attention for safety maintenance as well as safety measures for routine maintenance overhaul of an plant
严格执行各类安全检修注意事项，并对an （丙稀腈）装置在日常维护工作以及大检修中制订安全措施。
Strictly implement points of attention for safety maintenance as well as safety measures for routine maintenance and overhaul of an plant
严格执行各类安全检修注意事项，并对an （丙稀腈）装置在日常维护工作以及大检修中制订安全措施。