A, open and close automatically in security and reliability according to hydraulic difference without noise and in no need of operator and maintenance.
根据水压差自动开启和关闭，安全可靠，无噪音，无需人员操作，无需维护。
It has sheaves of glass which open and close automatically, depending on the intensity and Angle of the sun, to provide sunlight while preventing the building from overheating.
它有多层的玻璃窗，可根据阳光的强度和角度自动开启和关闭，在提供光照的同时防止大厦内部过热。
Two doors interlock each other though photoelectricity switch, automatically open and close, convenient for people (goods) to enter or exit.
通过光电感应开关实现两门互相联锁，自动开闭，为人（货）进出提供便利。
Some file-sharing programs automatically open every time you turn on your computer and continue to operate even when you "close" them.
某些文件共享软件随着开机自动启动，并持续运行即使你“关闭”了他们。
Some file-sharing programs automatically open every time you turn on your computer and continue to operate even when you "close" them.
某些文件共享软件随着开机自动启动，并持续运行即使你“关闭”了他们。
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