至少说出6种炮兵装备？
参考答案：
加农炮、榴弹炮、加榴炮、火箭炮、迫机炮、无座力炮。
64. I suggest you having plenty of exercise instead of playing _____ day and night.
A．with cards
B．at chesses
C．for money
D．the card
更换橡胶支座时，原则上同一墩台或同一片梁应同时更换。
