treadle

n.

（尤指旧时驱动机器的）踏板；

vt.& vi.

踩踏板；

复数：treadles

1. She was working the treadle of her sewing-machine.
   她正用脚踩动缝纫机的踏板。

Bicycle treadle
The treadle valve saga continues : faulty valves may be the cause of unexplained accidents
Negative behavioral contrast on multiple treadle-press schedules.
Matching and contrast on several concurrent treadle-press schedules
Prediction of concurrent keypeck treadle-press responding from simple schedule performance
Pedaling out of poverty: livelihood impacts of treadle-pump irrigation in South Asia
A Radiotelemetry System for Monitoring the Treadle Snare in Programmes for Control of Wild Canids.
Low head drip irrigation kits and treadle pumps for smallholder farmers in Zimbabwe: a technical evaluation based on laboratory tests
The effects upon food-reinforced pecking and treadle-pressing of auditory and visual signals for response-independent food ☆
POSITIVE AND NEGATIVE CONTRAST AS A FUNCTION OF COMPONENT DURATION FOR KEY PECKING AND TREADLE PRESSING