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1.The hand-operated regulator is used to control the temperature of the water.
手操作调节器用于控制水的温度。
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2. The hand-operated regulator was designed for easy installation and maintenance.
手操作调节器设计用于易于安装和维护。
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3.The hand-operated regulator can be adjusted to suit different water pressures.
手操作调节器可以调整以适应不同的水压。