两板对接板厚差大于或等于（）时，要求对较厚板削斜处理，削斜长度应不小于板厚差的（）。
参考答案：4MM；4倍
— Mrs Green is angry with Mary. It seems ______ she is going to call her mother.
— Right, let’s persuade Mary to give up now.
A as if B as long as
C even if D in order that
请你设计一个关于近代历史上三个不平等条约的表格。
_________________________________________________
