da underground
da地下
以上为机器翻译结果，长、整句建议使用 人工翻译 。
During the test of Ku1 well in Da Zhangtuo underground gas storage tank, MHS packer is blocked and set in stage collar of deviated section.
大张坨地下储气库库1井试油，MHS封隔器在斜井段分级箍时遇阻坐封。
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