pulley block

pulley block读音音标

英 [ˈpʊli blɔk]

美 [ˈpʊli blɑk]

pulley block意思解释

n.

滑轮组；

英英释义

n.

a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

同义词：pulleypulley-blockblock

双语例句

用作名词(n.)Crevasse rescue is one of the more complicated mountaineering techniques, sometimes requiring pulley systems and multiple haul lines.裂缝救援是一项更副复杂一些的登山技术，有时候需要滑轮组和多组拖曳绳。