triangle三角: triangle; trigonometry; trig ...起重: jack-up架: frame; rack; shelf; stand单饼铁滑车三角起重架杜松子酒: gin起重架: crane boom; derrick; elevating frame; gauntry; hoist frame; mast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:三角起重架,即可在微信中查询翻译