roll setting angle安装: install; erect; fix; mount; ...角: role; part; character安装角: angle of setting; attachment; established angle; incidence position; rigging angle of incidence angle; setting angle; stagger安装角撑板: gusset安装角调节: angling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:转动安装角，即可在微信中查询翻译
