hold-down anchor bolt：系緊螺栓

hold-closed mechanism 保持合閘機構(gòu) | hold-down anchor bolt 系緊螺栓 | hold-down bolt 壓緊螺栓

Hold down bracket：壓緊托架

"壓緊螺栓","hold-down bolt" | "壓緊托架","hold-down bracket" | "壓緊夾板","hold-down clamp"

hold down fitting：壓緊裝置

hold deck 貨艙甲板 | hold down fitting 壓緊裝置 | hold down 壓住

hold-down bolt：壓緊螺栓

"壓緊物","hold-down" | "壓緊螺栓","hold-down bolt" | "壓緊托架","hold-down bracket"

hold-down bolt：壓緊螺栓底腳螺栓

hold-down bolt 壓緊螺栓 | hold-down bolt 壓緊螺栓底腳螺栓 | hold-down clamp 壓具

hold-down nut：壓緊螺母

hold-down n. 夾具 | hold-down nut 壓緊螺母 | hold-down nut 壓緊螺母底腳螺母

hold-down nut：壓緊螺母底腳螺母

hold-down nut 壓緊螺母 | hold-down nut 壓緊螺母底腳螺母 | hold-down 夾具壓具壓緊裝置

hold-down nut：壓緊螺母,固定螺母

hold-down mechanism ==> 壓緊機構(gòu) | hold-down nut ==> 壓緊螺母,固定螺母 | hold-down ring ==> 壓緊環(huán)

hold-down ring：壓緊環(huán)

hold-down packer 懸掛式封隔器 | hold-down ring 壓緊環(huán) | hold-down slip 防止上移的卡瓦

hold-down slip：防止上移的卡瓦

hold-down ring 壓緊環(huán) | hold-down slip 防止上移的卡瓦 | hold-down 壓住