请问焦炉炉前焦库有何作用?
《曾根崎心中》属于()。 ["市井剧","历史剧","舞蹈剧","时代物"]
The main moving parts of a diesel engine consist of the () and the pistons. ["bedplate, connecting rods","crankshaft, the connecting rods","frames, crossheads","crankshaft, the cylinder"]
《京鹿子道成寺》属于()。 ["市井剧","历史剧","舞蹈剧","世话物"]
简述焦炉操作管理的要点有哪些?
通常在实际规划中,密集城区和城区的天线挂高可规划为()米,郊区()米,农村()米。