To learn more about how bees recognize their nests, Pitts-Singer's team cut the glass tubes into three sections, then replaced the outer section, the middle section, or both, with clean tubing.
为了更多地了解蜜蜂怎样识别自己的巢穴，彼茨-辛格的研究小组把玻璃管切割成三部分，然后用干净的管材调换了外面部分，中间部分，或者把二者都换掉。
Glass connection, tubing constant pressure connection, single constant connection and tubing blanking plug are main tubing internal seal tool.
玻璃接头、油管定压接头、油管单向定压接头和油管堵塞器是目前各油气田使用较普遍的油管内密封工具。
Make sure the cut is square across the tubing with no polyimide or glass fragments at the end of the tube.
确认划口正交于柱，柱端没有聚酰亚胺或石英碎片。
Make sure the cut is square across the tubing with no polyimide or glass fragments at the end of the tube.
确认划口正交于柱，柱端没有聚酰亚胺或石英碎片。
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