预热后()高压氧气开关,开始切割。
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My father likes to _____ on Sunday. [ ]
A. go to a movie
B. look at a movie
C. watches a movie
D. sees movies
一般来说,只要参照车辆与被评估车辆的类别相同,主要参数相同,结构性能相同,只是生产序号不同,只作过局部改进的车辆,则可认为是完全相同。