The yield of chlorination was 92.8 % , using phosphorus oxychloride as the chlorinating agent.在氯化反应中, 以三氯氧磷为氯化剂,产率为92.8%.In the reaction of chlorination, carbon tetrachloride was used agent, and chlorine gas as chlorinat...
她仍然患有严重的胃痉挛，感觉疼痛、疲乏、抑郁。She continued to have severe stomach cramps, aches, fatigue, and depression.冠状动脉的肌肉痉挛可能导致心脏病。A muscular spasm in the coronary artery can cause a heart attack.缺镁会导致肌肉痉挛。A lack of magnesium causes mu...
这部影片是用摄影机系在悬挂 式 滑翔机上拍摄的.The film was taken by a camera mounted on a hang - glider.信天翁是滑翔鸟类之王.The albatross is the king of gliders.天气预报对明天是否能举行滑翔表示怀疑.The weather forecast has put a question mark against the chance of doin...