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。
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。
Therefore, a series of special expanded packers with various kinds of advantages such as minor diameter, small spacing, and high bearing pressure, and simplify operation etc.
为此研制开发小直径、小卡距、承压高、易操作的膨胀式封隔器系列，设计出适合套变井选层酸化、压裂以及薄层措施改造的多种工艺管柱。
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