把厚木板的一端用夹具固定在桌子的边上。Clamp one end of the plank to the edge of the table.工件夹持 装置叫做钻模或夹具.Work - holding devices are called jigs and fixtures.要使用一套定位夹具来精心地使外线圈保持在正确的位置上.The outer coil needs holding in position very carefully...
They also may be used as hypergols for improving ignitability and reignitability characteristics.它们也可作为自燃点火成分,改进点火和重新点火性能.Ignitability test for polyurethane foam in slab or cushion form.板状或垫状聚氨酯泡沫体的点燃性试验.We are talking a...
Elaborate efforts were made to reconstruct what had happened.为重现当时的情景，他们做了大量细致的工作。He had plastic surgery to help reconstruct his badly damaged face.他做了整形手术以修复其严重受伤的面部。They have tried to reconstruct the settlement as it w...