with each other, and the elasticity of the spring is transmitted orderly to the second bevel gear, the first bevel gear, and to the winding shaft so as to pull up or lower down the blind cloth without necessity of pull ropes. ... N Ming - EP 被引量: 45发表: 2006年 ...
these sheer light-filtering bamboo roman shades are designed to gently reduce glare while allowing enough light to keep the area naturally well-lit. they are an ideal choice for replacing light-blocking cloth shades or plain plastic blinds, and can also be paired with curtains for versatility, ...
with each other, and the elasticity of the spring is transmitted orderly to the second bevel gear, the first bevel gear, and to the winding shaft so as to pull up or lower down the blind cloth without necessity of pull ropes. ... N Ming - EP 被引量: 45发表: 2006年 ...