single-column adjusting press-assembly hydraulic press  单柱校正压装液压机

a twice-told tale  尽人皆知的故事

at twice  分两次

calcination twice  二次煅烧

Construction technology of twice tensioning  二次张拉施工技术

core-pulling twice  两次抽芯

half-monthly semimonthly twice monthly  半布装本

improved twice stack-and-draw technique  改进的两次堆积拉制法

Integration effects of twice irradiations  双次曝光积分效应

introducing aluminum twice  二次引铝

least twice multiplication  最小二乘法

look-up twice  二次查表

Once bit twice shy  一朝被蛇咬三年怕井绳

Once bitten twice shy  一次被咬

one out of four twice  重复四选一

one out of three twice  重复三选一

one out of two twice  重复二选一

pedestrians twice crossing  二次过街

Reducing Temperature Twice  二次降温