The shape and structure of T cell is between P and myocardial cell, and situated on the periphery of node.
细胞的形态和结构介于P细胞和心肌细胞之间。 最后对窦房结内各细胞的功能特点加以讨论。
This series is featured in light and smart structure by adopting special T-shape rolling track and imported steel rope.
结构轻巧直观，采用特制“T”形轧轨和进口钢芯钢丝绳。
A structure of extrusion die with no burr for T-shape forging was presented.
现给出了T形锻件无飞边挤压模具结构。
A structure of extrusion die with no burr for T-shape forging was presented.
现给出了T形锻件无飞边挤压模具结构。
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