pit sample meaning in Chinese
土坑土样
铸包取样
Examples
- In order to ensure the safety of engineering , it should be careful to use the test result of normal drilling sampling , the pitting sampling , shaft sampling , or double - tubles and thin - wall soil collecting methods should be used
为保证工程安全，对常规钻孔取样试验成果的使用应当慎重，对重要工程宜采用探坑、竖井取样，或采用双筒薄壁取土技术。