core operation
常见例句
- It is used to treat well accident and used to be on the way test in drilling and coring operation.
它适用于井下事故处理，也使用于钻井和取心的中途测试。 - It is used to treat well bottom accident and used to be on -the -way test in drilling and coring operation.
它适用于井下事故处理，也适用于钻井和取芯的中途测试。 - Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.
根据科学钻探对岩心的特殊要求，认为金刚石取心钻头是科学深钻取心钻进较理想的选择。 返回 core operation