Organisers of the French open Golf were forced to suspend play in Thursday's opening round with more than half the field still to tee Off.

法国高尔夫球公开赛的组织者们被迫将星期四的首轮比赛推迟，有一大半场地不能开球。

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Electric valve to control the opening, the state has to open, clearance, half-open half-clearance, you can control the flow of media channels and the solenoid valve able to meet this requirement.

电动阀阀的开度可以控制，状态有开、关、半开半关，可以控制管道中介质的流量而电磁阀达不到这个要求。

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With few mothers working, shop opening hours could be short, schools could open for only half the day (most start at 8am) and child-care assistance was superfluous.

ECONOMIST: A changing relationship between a nation and its clocks