焊接电弧的稳定性
参考答案：
是指电弧保持稳定燃烧（不产生断弧、飘移、磁偏吹现象）的程度。
Living in the dormitory means _______ to take care of yourself, understand each others' differences and share_______ interests.
A．to learn, common.
B．learning, ordinary
C．to learn; ordinary
D．learning; common
