The sewing machine is operated by a foot pedal.

缝纫机是靠一个脚踏板来操作的。

youdao

Two sets of brake devices a hand brake and foot pedal brake assure the machine's safety and dependability.

手刹车和脚刹车两套制动装置，保证机器的安全性和可靠性。

youdao

Standard equipment with machine: Manual change. Back stop device, Quick change, Mold the cupboard. Foot pedal.

随机标准配件：手动换模、定尺装置、快速换模、模具脚座、脚踏开关。

youdao

The Chaos Pad can simulate that a whammy bar, a foot pedal, or any other hardware can do.

FORBES: MHacks At The University Of Michigan Was The Largest Student-Run Hackathon

The machines allow sewing patterns and operations to be standardized across a group of workers by automatically controlling the stitch, pressure of the needle and its speed, which is normally controlled by a foot pedal.

WSJ: Sewing Machines Go High-Tech

Last year at CES, IK Multimedia unveiled its iRig Stomp as a foot switch controller for wrangling the outfit's Amplitube software for iOS. Here at NAMM though, the company has cast off the wired connection for the Bluetooth-sporting iRig BlueBoard MIDI foot pedal.

ENGADGET