labor hour
美
英 
例句
One direct labor-hour would be required to produce each relay (the same time at that required by the old relay).
生产每个新扩音器需要一个直接人工小时(与老扩音器一样)。
Module design, flexible fastening, easy to assemble and disassemble and shorten labor hour;
模块化设计,弹性固定,安装方便,易拆解,缩短工期;
The Conception of Labor Hour and the Historical Creation of Marx's Theory of Three Social Configurations
劳动时间观念与马克思三大社会形态理论的历史生成