焊补裂纹时,为防止裂纹蔓延,两端应钻直径为10~15毫米的止裂纹。
参考答案:对
The committee has the plan we'd like to see next week.[ ]
A. agreed with; to be carried out
B. approved of; carried out
C. agreed to; being carried out
D. approved of; being carried out
心在五季为()。
A、春
B、夏
C、秋
D、冬