高效静音科技 Quiet Tuning

音效静音 noise cancellation

等效静力风荷载 equivalent static wind load ; effective static wind load

等效静风荷载 equivalent static wind load

等效静加速度 [机] equivalent static acceleration

高效静电滤材 NIOSH

有效静变形 effective static deflection

静态效率 Static efficiency

静电效应 electrostatic effect ; electrostatic charge effect ; electrostaticity