roll-out fourdrinier移出式长网部
asymptotic roll-out均匀减小的坡度
Roll-out t产品分批上市
roll-out guidance着陆滑跑操纵
roll wear out辊耗
roll-out process推进程序
roll it out大县伸手
Roll-Out Panels滑出面板
roll sth out将
PHRASAL VERB（动词词组） If a company rolls out a new product or service, or if the product or service rolls out, it is made available to the public. 推出 (新产品或服务)
On Thursday Microsoft rolls out its new operating system.
在星期四微软推出了它的新操作系统。