treadle造句

treadle rail contact

treadle type sewing machine

treadle type sewing machine with special cabinet

combined electric and treadle sewer for industry

treadle type sewing machine with square cabinet

treadle type sewing machine with rectangular cabinet

treadle type sewing machine with drawer without cover

A D-Lab student tests a treadle pump during the IAP visit to Zambia.

The technologies, which include treadle pumps and drip irrigation systems, enable farmers to produce vegetable crops for consumption and sale.

The foot bar is that part which differs it from other scooters. Customers just need step on treadle to make it glide, no need drive the ground.

The power machine is run by a foot treadle and USES a knee lift to raise and lower the presser foot.

A treadle-operated graphophone of the sort used by Sydney Morse; the recording device is the small object on the top surface. From a contemporary trade catalog.

Her chores were never-ending. Sewing clothes for her family on the old Singer treadle machine, cookihg meals and baking bread,planting and tending a vegetable garden,milking the goats and scrubbing soiled clothes on a washboard.