Hours时间； n.；时序女神；荷赖(掌四时更迭和自然秩序的女神)hourn.小时；钟点hours of operation运行小时数hourglasses energy沙漏能hour wheel seating时轮垫hour area analysis时域分析hourglass worm hob球面蜗杆滚刀hour hammer spring时锤杆簧hour locking lever时锁杆hour rate variance[经] 工资率差异hourglass fracture砂漏状断口hourglass gear hob球面蜗轮滚刀