The utility model provides an automatic return position surveyor's pole.
本实用新型提出一种自动回位标杆。
The quick-opening valve is better provided with an automatic return spring so as to close the valve after being released.
快开阀门上最好自带一个自动回位弹簧，松手即刻关闭。
Limit protection, overload protection, automatic return, as well as power lost memory intelligent configuration, ensure the safety of the operation of the user.
限位保护、过载保护、自动回位、以及掉电记忆等智能配置，保证用户的操作安全。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
These units are also available for automatic operation: automatic Return or automatic Reciprocating.
这些装置也可自动操作：自动返回或自动往复。
These units are also available for automatic operation: automatic Return or automatic Reciprocating.
这些装置也可自动操作：自动返回或自动往复。
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