He carries it in his lab coat pocket or his briefcase, which is much more convenient than his medical center's ultrasound machine, housed on a cart in the operating room.
相对于医疗中心手术室那台庞大的超声设备来说，它无疑方便许多。
2
The paper analyzed the cause of floor paving coat disease, proposed the repair plan during operating management and discussed the advantage and disadvantage of the plan for reference.