emptied hold pull-down test空舱降温试验
hold-down ring压紧环
top hold-down上部压板
hold-down finger防止上顶的爪簧
hold-down plate压板;翻译
hydraulic hold-down水力锚
Hold-Down Plates填料压盘
hold-down stud压紧双头螺栓
hold-down chain压紧链
"taxpayers want a hold-down on government spending"
同义词：hold down