短语
天平杆给棉装置
[纺]
pedal feed motion
天平杆横轨
pedalrail
天平杆给棉调节器
pedal evener
天平杆自动均匀装置
acting piano link regulator
;
self-acting piano link regulator
三杆式天平
triple beam balance
杠杆天平
lever balance
;
lever
;
balance
复杆天平
lever balance
;
compound
;
compound lever balance
;
balance
杠杆式天平
[计量]
beam balance
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