使就座,就座,座位数,座套seating
列车硬座超成定员excess capacity of passenger train seating【铁路】
【运输】轮圈座rim seating
齿沟角roller seating angle【机】
座垫seat cushion【车辆】;seating washer【家具】
磨阀valve seating
座阀seat valve【机】;seating valve【机】
列车硬座标记定员marked capacity of passenger train seating【铁路】