But negotiations soon broke down because the us refused to sign up to targets on cutting greenhouse gas emissions.
但由于美国拒绝设定减排温室气体的目标，谈判协商很快破裂。
When the output shafts of the gear-boxes were turned on the copying lathe model 1772, the cutting tool often broke.
在用1772仿形车床车削变速器第二轴时，常发生打刀现象。
When the output shafts of the gear-boxes were turned on the copying lathe model 1772, the cutting tool often broke.
在用1772仿形车床车削变速器第二轴时，常发生打刀现象。
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