Ancient Era
Classical Era
Medieval Era
Renaissance Era
Industrial Era
Atomic Era
Information Era
Future Era
Replaceable Parts
Quotes
一台机器以平稳且可预见的方式运行，它的部件必须符合标准，这样才能更换。
——查尔斯·艾森斯坦
很多人爱惜汽车胜过爱惜自己的身体…但汽车部件是可以更换的。
——帕尔默
ICON_TECH_REPLACEABLE_PARTS
Traits
Era
Modern Era
Science Cost
4150 [ICON_SCIENCE] Science
Eureka
Own 3 Line Infantries.
Unlocks
ICON_UNIT_INFANTRY
Infantry
Smoothbore
ICON_POLICY_HD_STANDARDIZED_PRODUCTION
Standardized production
Digger
ICON_UNIT_SIAMESE_EXPEDITIONARY_FORCES
Siamese Expeditionary Forces
Tech Tree
Prerequires
ICON_TECH_MILITARY_SCIENCE
Military Science
ICON_TECH_RIFLING
Rifling
Leads To
ICON_TECH_CATERPILLAR_TRACK_HD
Caterpillar Track
Language