推动机构
The propelling and draw-out crucible mechanism is provided with a sample pushing slender pole which can stretch into the hearth.
所述的推进拉出坩埚机构设有可伸入炉膛的推样细长杆。
The Gear and Five-Link Mechanism Accomplishing the Locus of Approximate Parallel Line Segment and Differential Pushing
实现近似平行直线轨迹差动推送的齿轮五杆机构
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