carry fire in one hand and water in the other  施展两面派手法

on the one hand  一方面; 在一方面

one hand balance  单手倒立

one hand block  小型砌块

one hand clean and jerk with left arm  左手挺举

one hand clean and jerk with right arm  右手挺举

one hand on hip  单手叉腰

one hand on neck  单手叉颈

one hand snatch with left arm  左手抓举

one hand snatch with right arm  右手抓举

one hand tile  小型砌块

One-one  一对一的

one-one (=injective)  单射的; 一一的

one-one mapping  一一映射

put one one’s thinking cap  动脑

Two one one Team  陕西省核工业地质局二一一大队

hand grip  柄; 把; 手柄; 抓手; 把手

Hand grip and key pinch strength  手握力及指捏力

hand grip lever  手柄