安全防线前移到现场，安全重心下移到区队班组，安全教育亲情自移到个人。
Reach of safe line of defence arrives the spot, division group team and group moves below safe centre of gravity, safe education close circumstances changes oneself individual.
要按照“关口前移、重心下移”的要求，要督促工程监理切实履职，确保基建、光伏、供热工程安全。
According to the sooner, center of gravity, to supervise the project supervision, earnestly perform their duties, ensure the construction engineering safety, photovoltaic heating.
最后，悬挂在飞碟下面的液压中转控制盒使得飞行器的重心自然下移，因此不必安装其他的稳定器，从而减轻了重量。
Finally, dangling the control pod well below the aerostat shifts the craft's centre of gravity downward. This means it does not need additional stabilisers, which add weight.
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