Northern winter indoor heating can be the normal construction, if the temperature does not guarantee a good idea to test a small area.
北方冬季室内有暖气可正常施工，如果温度不能保证，最好先进行小面积试验。
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
用同一填充柱在程序升温条件下，分离轻苯及精制苯中各组份，并用直接面积归一法进行定量，苯系相对误差为0.94%。
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
用同一填充柱在程序升温条件下，分离轻苯及精制苯中各组份，并用直接面积归一法进行定量，苯系相对误差为0.94%。
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