Measure and record the differential pressure across the valve using a Watts Series PG meter. CAUTION: Safety glasses should be used.

采用美国瓦茨系列PG仪器测量和记录通过阀门的压差。警告：应该使用安全眼镜。

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Read the pressure drop across the valve with a Watts Series PG meter.

利用美国瓦茨系列PG仪器读出通过阀门的压降。

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The sub-shell (wrapped in parentheses) performs a series of tasks-albeit sleep delays in this contrived example-and emits output to a Zenity progress meter via a pipe.

sub - shell(包含在括号中)执行一系列任务—在这个人为例子中albeit sleep延迟—且通过一个管道将输出发出到一个Zenity过程表。

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The lightweight and compact BarkLimiter series features integrated stainless steel contact points and is waterproof in one meter of water for up to 30 minutes.

ENGADGET: Garmin announces new dog collars, talks up 'Bark Odometer'