The cooperating application of P-T packer and MFE tester is easy to make packer loose at closing operation when conducting test in shallow well.是什么意思_The cooperating application of P-T packer and MFE tester is easy to make packer loose at closing operation when conducting test in shallow well.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句