CMYK图像在Photoshop中默认有()个颜色通道。 ["1","2","3","4"]
以下哪一项是“て”的片假名?() ["A、タ","B、イ","C、エ","D、テ"]
()属于改变零件公称尺寸恢复配合精度的修复方法。 ["附加零件法","更换新零件","校正变形法","加热减应法"]
新电焊机或长期停用的电焊机在安装前要检查电焊机的()。 ["电流值","电压值","绝缘电阻","电阻值"]
以下哪一项是“と”的读音?() ["A、sa","B、tu","C、to","D、ki"]
常见的花卉营养诊断方法有几种?