标志桩又称为警示桩、标识桩、标志桩，常用于电力、通信、燃气、自来水、铁路地埋管线路径指示标志。用于户外、绿化带、灌木丛、顶管两侧管线路径指示，起到警示作用的新型产品。
标志桩、测试桩、里程桩、警示牌等燃气管道设施安全识别标志；
The safety identification marks for fuel gas pipeline facilities, such as mark stake, test stake, mile stake, warning board, etc. ;
换句话说，并非所有的可疑信号都标志着一桩婚外情事。
In other words, not all suspicious signs point to an affair.
控制点标志设置采用了深桩强制对中观测墩与普通标石相结合的方式；
The control point symbolized the establishment used the deep pile to force to the center to observe the way which the pillar and the ordinary monument unified;
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