adjustable stem 校正杆, 可调整的基杆..
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... adjustable square 可调尺 adjustable stem 校正杆;可调基杆 adjustable stop screw 可调整止动螺钉 ...
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plunger adjustable type stem 可调阀杆
adjustable contra stem assembly 可调对杆组件
·2,447,543篇论文数据，部分数据来源于NoteExpress
One selling point: Instead of an adjustable, long stem for a bike seat, Scott's seat posts are cut and bolted tight (by dealers in the store) to fit the rider.
FORBES: Spinning Wheels
The technique relies on an adjustable "microvalve" to build up layers of human embryonic stem cells (hESCs).
BBC: Edinburgh scientists use 3D printing to produce stem cells
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