“pulleys”簡單造句，pulleys造句子

Here is a picture of some pulleys I cast and some pulley patterns I made.

Last of all to disappear were the sounds of building; the echo of brick on brick and the continual whine of pulleys.

LD wheel, wheel group, drum group, hook group, pulleys, couplings, wire rope, cable pulley, motor, brake, reducer, cable reel, overload limiter, standard parts.