driving and drainage at same time
a special teacher who at the same time as a teacher in charge of a class
big dose of many trace elements supplementing at the same time
Detected at the same time
Determination of Lead and Total Arsenic at the same time
hoisting with two cranes at the same time
Loading and Unloading at the Same Time
Many patients burned at the same time
Spraying at the same time
two ladles moulding at the same time
berth ship waiting time at the port
curing time at yellowing stage
forecast fineness at time and space scales
recurrence at same place
temperature difference at same plane
decomposed in the same time
summit time low tide time and flat time of electric usage
He at of detonation at constant volume
living at high altitude and training at low altitude