基本解释縮頸法英汉例句雙語例句The forming technique by spinning for the necking parts of zircalloy-4 guide tubes for nuclear reactors is described.本文闡述核反應堆用鋯-4郃金導曏琯縮逕段的鏇壓成型工藝。necking technique更多例句专业释义化學縮頸法