Hence, multi-layer polymer injection allocator with single-tubing and sliding sleeve switch is developed, and development, lab experiment and pilot test of this polymer alloca...
为此研制了聚合物单管多层滑套开关式配注器，介绍了滑套开关式配注器研制、室内实验和矿场应用情况。
More specifically, this invention relates to a multi-microlayer film having a degradable polymer layer and a thermoplastic elastomer layer.
更具体地说，本发明涉及一种具有可降解聚合物层和热塑性弹性体层的多微层膜。
More specifically, this invention relates to a multi-microlayer film having a degradable polymer layer and a thermoplastic elastomer layer.
更具体地说，本发明涉及一种具有可降解聚合物层和热塑性弹性体层的多微层膜。
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