二极管是由一个PN结加上相应的引出端并封装管壳构成的。
Semiconductor diode is a PN junction together with the corresponding client leads and package composition shell.
于股骨内髁PCL附着点处分别钻取前后两隧道，与胫后内外两隧道引出的重建韧带形成交叉，游离端使用可吸收螺钉固定。
Drill two tunnels at the PCL attachment point inside the thighbone, intersecting with the reconstructed 1igament from the two tunnels behind the shank, fixing the free end using the absorb bolt.
内引出棒和外引出棒一端的端面上开有小孔，分别与热熔断器两端的引出线铆接。
The end face at one end of the inner lead-out rod and the outer lead-out rod is provided with small holes that are riveted with the lead-out wires at two ends of the thermal fuse.
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