... straddle test 双封隔器选择性地层测试 straddle tool 跨越式皮碗工具 straddle 跨；跨式的 ...
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four cup straddle tool 四皮碗跨越式工具
gravel pack straddle tool 砾石充填对口皮碗工具
sand control cementing straddle tool 防砂及挤水泥对口皮碗工具
·2,447,543篇论文数据，部分数据来源于NoteExpress
But by spending so much effort trying to straddle the issue and to seem amenable to all parties, the USDA missed the opportunity to actually create a useful tool.
FORBES: USDA Website Aims to Promote Local Food, But Does It?
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