高压球型储罐安装前必须向()级劳动部门锅炉压力容器安全监察机构进行报验。 ["国家级","省级","地市级","县级"]
图样中标注的比例为2:1,表示图样的线性尺寸是实际机件相应的线性尺寸的2倍。
The ways in which words follow one another and are related to one another is called the syntagmatic dimension of language, the dimension of “chaining” or “sequencing”.()
西周朝廷秘书机构中,地位最低的秘书官是() ["外史","内史","御史","小吏"]
顺光是从被摄主体正面照射过来的光线。
李斯特开创的标题交响诗是()继承和发展。