滑轮

pulley; sheave; glidewheel; pulley wheel; rope block; block; roller ◇滑轮轭 pulley fork; 滑轮杆 rolle...  detail>>

由滑冰者表演的

performed by skaters  detail>>

侧滑轮

side roller  detail>>

呆滑轮

dummy sheave  detail>>

单滑轮

single-sheaved block ◇单滑轮起重机 jenny wheel  detail>>