erection tool and provisional material安装: install; erect; fix; mount; ...工具: tool; means; implement; appl ...和: mix; blend材料: material临时性材料: provisional material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:安装工具和临时性材料,即可在微信中查询翻译