The improvements on some inorganic chemical experiments can not only simplify operation process and shorten experiment time but also increase the experiment success rate.
通过对一些无机化学实验的改进，不但可以简化操作手续，缩短实验时间，而且大大提高了实验的成功率。
By directly disposing the PTFE coating on the bottom plate of flat iron, mounting or dismounting of iron sleeve is avoided to greatly simplify operation procedure and avoid damage to clothes.
由于将聚四氟乙烯涂层直接设置在熨斗的底板上，因此无需再像以往产品那样安装或拆除熨斗套，使得操作步骤大为简化，同时对衣物也不会造成任何损伤。
Through practice, this modern method can simplify operation, lower the labor strength and improve efficiency.
实践证明：该方法能简化操作，降低劳动强度，提高工效。
Through practice, this modern method can simplify operation, lower the labor strength and improve efficiency.
实践证明：该方法能简化操作，降低劳动强度，提高工效。
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