control cascadecontrol, cascade梯级: stair; stairstep; step; flie ...控制: control; dominate; regulate; ...串级控制: cascade control次级控制: secondary control单级控制: individual stage control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:梯级控制，即可在微信中查询翻译
