concreting in freezing weather 冻期灌筑混凝土 Freezing Weather Precaution 冰冻气候预防措施 Despite Freezing Weather Conditions 尽管寒冷天气 ..
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Freezing Weather Precaution - Subsequent to testing a piping system, valves should be in an open position to allow complete drainage.
结冰气候预防-检测管线系统后，阀门应该处于开启状态，做到排泄完全充分。
FREEZING WEATHER PRECAUTION: Subsequent to testing a piping system, valves should be left in an open position to allow complete drainage.
冰冻气候预防措施：测试管道系统后，法门应该处于开启位置，使得能够实现完全排泄。
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