英语词典
an isolating-type transformer or ballast, the screw shell of the lampholder shall not be required to be separately bonded to ground.
隔离式的变压器或镇流器,灯头座的螺套应当分开接地。
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The results of the vibration test show that pulsant thrust of the screw can increase the axial vibration of the hypostatic test rig evidently and there is the phenomenon of shaft-shell resonance. 3.
振动测试结果表明,螺旋桨的脉动推力会显著增加实验装置的纵向振动,并存在轴-壳共振现象。
The end surface of the positioning screw cap of the equalizing axle is matched with an equalizing axle shell or the end surface of a swing arm.
平衡轴定位螺盖的端面与平衡轴壳或者摆臂的端面相配合。
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