P1——施工工地高峰昼夜人数（460人）；

P1——施工工地高峰昼夜人数（460人）；

Results (English) 1:

P1——The number of peak day and night people on the construction site (460 people);

Results (English) 2:

P1 -- the number of people at the construction site during the peak day and night (460 people);

Results (English) 3:

P1 - the number of people (460 people) at the peak of the construction site day and night;