该系列具有标准双向电磁阀和活塞进行试点，以及一个可调节的电子计时器。

The series features standard 2-way solenoid and piloted piston valves, along with an adjustable electronic timer.

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这为业务分析师和工程师们提供了一种标准、直观、双向的环境来解决流程的运行时展示问题。

This enables a standard, straightforward, round-trip friendly environment for business analysts as well as engineers dealing with the runtime representation of a process.

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根据SQL标准，评估分层或双向数据的方法为递归通用表表达式(RCTE)。

According to the SQL Standard, the method to evaluate hierarchical or bi-directional data is the Recursive Common Table Expression (RCTE).

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