pick-up up hay baler  捡拾式干草打包机

boot-up speeding up  启动加速

half built up crank shaft [= semi-built-up crank shaft  半组合曲轴; 半组合曲柄轴

Hold Up And Stop Up Rotating  短路堵转

on the up-and-up  诚实

put up or shut up  要么行动要么闭嘴

sequence of train breaking up and making up  解编顺序

up-and-up  向上

up-supply and up-discharge  上送上排

up-supply and up-exhaust  上送上排

WARM UP; WARMING UP  暖身活动

Catching-up industry policy  （内部审计）; 日报; 美味油鸡

Catch-up oversea R&D investment  内部市场; 《英雄

(warming)-up  暖机

’up-wind’ method  上风法

“avoid peak and fill up valley” measures  避峰填谷措施

2D clean up  2D试剂盒纯化法

2-up-down device  二次翻板

30 years after the Reform and Opening Up  改革开放30年