压力容器投用前按照抽堵盲板规定程序,抽出所有检修时加的()。 ["盲板","法兰"]
艺术语言
Post-transcriptionalgenesilencing转录后基因沉默
The back-chaining technique means the students repeat a sentence after the teacher, starting from the end part of the sentence and moving towards the beginning.()
船舶非油污染物包括非油的液体、货物以及() ["生活污水","货舱舱底水","船舶垃圾","A和B和C"]
分析乐曲《春江花月夜》。