The structural feature of the single and twin screw extruder are compared.
分析比较了单螺杆和双螺杆挤压机的结构特点。
The structural feature and homology comparison of guinea pig GHR are also reported.
此外, 还报道了豚鼠GHR 的结构特征和同源性比较的结果。
The structural feature and its rational application of standing shield hydraulic are introduced in brief.
对支撑掩护式液压支架的结构特点及合理应用等进行了简要介绍。
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