The invention provides a hydroxyhexyl sodium sulfonate synthesizing device, which comprises a reactor (1) and is characterized in that a stirrer (2) is arranged in the reactor (1), the lower part of the reactor (1) is provided with a material outlet (6) which is connected with a material pipe (3), and the material pipe (3) is connected with a material pump (4) and a heat exchanger (5) and then isconnected with a material inlet (7) arranged at the upper part of the reactor (1).
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The invention provides a bit block for the electroconvulsive therapy, which is capable of protecting teeth and preventing glossoptosis.
本发明提供了一种用于电惊厥疗法的位阻滞器，能够保护牙齿并防止光泽度降低。
The invention provides a method for protecting a mask.
本发明提供一种保护掩膜板的方法，所述掩膜板包括：衬底；
The invention provides a method of moving a display area.
本发明提供一种移动一显示区域的方法。
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