treadle造句
1 My grandmother still uses her old treadle sewing machine.
2 She was working the treadle of her sewing - machine.
3 Will they really want treadle or dread?
4 So they are using their treadle pumps again.
5 Removed the protect bar, treadle and the seat.
6 EASY TREADLE DESIGN, exclusive design. Eliminates operator fatigue.
7 To work a treadle . Or operate a lathe?
8 A D-Lab student tests a treadle pump during the IAP visit to Zambia.
9 The treadle pump is easy to build from bamboo or other wood and 2 metal cylinders with pistons.
10 Men with treadle pumps often no longer have to leave the farm to seek extra work in cities.
11 Be how much a treadle motorcycle direct current fire maker?
12 Rail wooden staircases treadle usually wood products, iron products is parapet, handrails are wood products and iron products.
13 By means of a foot treadle the chain of paddles pushes water along the length of a trough to pour out at the other end.
14 The treadle pump is easy to build from bamboo or other wood and two metal cylinders with pistons.
15 Application: This system mainly runs by vacuum motor, treadle air switch and pneumatic components. Any waste and thread ends cut by chain cutter are sucked into the waste collector.
16 The vertical treadle loom is an important but lost type of loom of common use from the Tang to the Ming Dynasty.
17 Bangladesh is particularly well suited for the treadle pump because a huge reservoir of groundwater lies just a few meters below the farmers' feet.
18 The women of San Pablo had returned to home-work, making dolls' dresses on treadle operated machines.
19 Drag onto the page. Right - click to make a treadle, or to resize.
20 A Bellows operated by an assistant or by a foot treadle provided the forced draft for raising the temperature of the fire. Later, a waterwheel or animal power was often used to operate the Bellows.
21 The report highlights the importance of low-cost technologies, such as treadle pumps, that could increase poor farmer's access to water resources.
22 Sewing clothes for her family on the old Singer treadle machine, cooking meals and baking bread, planting and tending a vegetable garden, milking the goats and scrubbing soiled clothes on a washboard.