But in design of the large cross lines the vibrationproof measures should be enhanced with combined measures.
但在大跨越线路设计中，需加强防振，采用组合防振措施。
2
Load type bearing and oil seal device, and a sound proof clapboard, can effectively prevent the vibration and noise, ensures the processing object is not polluted by oil.
重荷型轴承及油封装置，并有防音隔板，能有效地防止震动和噪音，确保加工物不受油脂污染。
3
The simple vibration-proof hand knob provides progressive spring thrust.