pay-off guid sheave stand放: release; set free; let go线: thread; string; wire导轮: guide idler; guide pulley; j ...架: frame; rack; shelf; stand导轮架: wheel frame下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:放线导轮架,即可在微信中查询翻译