The contact point between the macrophage and lymphatic endothelium was deficient of junctions such as tight junction and gap junction.
巨噬细胞与淋巴管内皮细胞的彼此接触面缺乏紧密连接和缝隙连接等连接形式。
In small tooth difference of inner meshed transmission, there were a few pairs of tooth faces which were apart from each other for a small gap beside the contact point generated by two meshed teeth.
在少齿差内啮合传动中，存在多对接近啮合的小间隙齿面于理论啮合点左右，轮齿受力产生的微小变形使得某些对齿面相互接触进入啮合状态。
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