... 角皮；表皮 cuticle; cuticula; cutis 齿外皮；齿皮 cuticula dentis 表皮附属器 cuticular appendage ...
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美国马里兰州北部一城市，位于华盛顿特区东北面的切萨皮克湾的一个分支处。自18世纪以来不断是忙碌的口岸。生齿736,014。
A city of northern Maryland on an arm of Chesapeake Bay northeast of Washington, D. C. it has been a busy port since the 18th century. Population, 736,014.
压球机零件有中空轴、齿圈轮、小齿轮、辊皮、电机等。
Pressure ball machine parts have hollow shaft, wheel, small gear tooth circle, roller skin, motor, etc.
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