可燃气体压缩机与明火设备、非防爆的电气设备的间距应符合国家的现行规范是什么?
设备的间距除应满足防火、防爆规范外,还应满足什么要求?
布病抗菌治疗的疗程是()。 ["2周","4周","6周","8周"]
虽然适应气候变化也需要投入和成本,但几乎可以认定,()是无悔对策,是双赢的战略。 ["适应对策","减缓对策","改革对策","应对对策"]
When the power of SART is on, it will(). ["transmit distress signal","send response signal","transmit the signal of ship’s position","be started by X-band radar"]
说明微生物菌种采集的一般方法及注意事项。