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mechanical spring
 mechanical spring
tech. 弹簧
| and
 AND
el. ; 逻辑电路"与"
 and
gen. ; ; ; ;
busin. 以及;
| flyweight governor
 flyweight governor
auto. 机械离心式调速器

to phrases
mechanical spring
tech. 弹簧
mechanical spring and flyweight governor
: 4 phrases in 2 subjects
Automobiles2
Technology2