lifting from the totest上部: headpiece; ridge起吊: sling; crane试验: experiment; test; trial下部起吊试验: lifting from the bottom test起吊试验: hoisting test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:上部起吊试验,即可在微信中查询翻译