piston type drill相关的网络例句
查询词典 piston type drill
- 与 piston type drill 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Combining traditional DTH hammer with pneumatic rock drill,by reference to the rotational mechanism of rock drill,studies the rotational mechanism of DTH hammer and introduces a new type of DTH hammer that uses backstroke energy of piston to drive drill to rotate.
将传统的潜孔锤与凿岩机相结合，研究了潜孔锤孔底回转机构，介绍了一种新型的潜孔锤。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。