安全帽不能以任何方式进行修改，如钻孔并且进行定期检查以确定是否有明显的裂纹，缺陷和有效期。
Hard hats shall not be modified in any way, such as drilling and shall be regular inspected for visible cracks, defects and expiration date.
长期以来路基工程质量检测与评价方法是采用传统开挖检查和钻孔取样试验的常规技术。
For a long time, the subgrade project quality testing and evaluation method follows the traditional excavation inspection and drilling and sampling test techniques.
为了评价帷幕灌浆效果，将数字钻孔摄像技术应用到小浪底水利枢纽3号灌浆洞3个灌浆质量检查孔中。
In order to appraise the quality testing of grout curtain, digital borehole camera technology is applied to three boreholes of the grouting gallery no. 3 in Xiaolangdi Water Control Project.
长期以来我国隐蔽工程质量检测与评价方法仍沿用着传统开挖检查和钻孔取样试验的常规技术。
It has been long time that the examination and evaluation of the concealed engineering works are made via some conventional methods, such as excavation and drill sampling.
本钻机适用于固体矿床的普查勘探及工程地质勘察等钻孔以及各种混凝土结构检查孔。
This drill the census that machine be applicable to solid mineral bed explores and work. The distance geology investigates etc, drills a hole and every kind of concrete construction Check bore.
操作时要求钻杆垂直，钻孔过程中如发现钻杆摇晃或难钻进时，可能是遇到石块等异物，应立即停机检查。
Operation requirements of vertical borehole drilling, found the process of drill pipe shakes or difficult drilling, stones and other foreign bodies may be encountered, should immediately stop check.
操作时要求钻杆垂直，钻孔过程中如发现钻杆摇晃或难钻进时，可能是遇到石块等异物，应立即停机检查。
Operation requirements of vertical borehole drilling, found the process of drill pipe shakes or difficult drilling, stones and other foreign bodies may be encountered, should immediately stop check.
应用推荐