| 释义 |
垫圈diànquān(～ㄦ{diànquānr})垫在被连接件与螺母之间的零件。一般为扁平形的金属环,用来保护被连接件的表面不受螺母擦伤、分散螺母对被连接件的压力。{insertion ring; packing collar; washer; flat metal ring put between the connected part and the nut, to protect the surface of the connected part from wear from the nut, and to spread pressure}? |