该电厂汽轮发电机组使用了弹簧基础后，既隔离了动载荷，又消除了真空吸力，大大减小了立柱截面尺寸。
After spring foundation are used for the turbine generator units the dynamic load is isolated and vacuum suction eliminated, which has greatly reduced the sectional size of the column.
本环网柜配用电手，电动弹簧机构来操作负荷开关，接地开关和隔离开关配用手动操作机构。
The cabinet is equipped with electric hand ring, electric spring mechanism to operate the load switch, grounding switch and isolating switch with manual operating mechanism.
钢丝弹簧固定在多条环型隔离凹槽上，内四周有凹齿，与电源插头接触好。
Steel wire springs are fixed on a plurality of annular isolated concave grooves, and concave teeth are around the annular isolated concave grooves inside, and well contacted with the power plug.
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