常見例句雙語例句Made of the special materials, the rare-earth wear-resistant tubes are characterized by the quench hardening trend, hardening structure and cold cracking.稀土耐磨管道為特殊材質,具有淬硬傾向大,容易出現(xiàn)淬硬組織和冷裂紋等特點。Due to the occurrence of complex fluid flow patterns in a quench tank which will significantly impact hardening results, it is important to develop a compact flow measuring device.淬火槽中復雜的液流形態(tài)會明顯影響淬硬結果,因此開發(fā)一套結構緊湊的液流測量裝置就顯得很重要了。The principal problems with respect to roll working life are cracking at the surface of roll for hot-rolling and that effective zone of quench-hardening of roll for cold-rolling is too narrow.熱軋工作輥的裂紋損壞和冷軋工作輥有效淬硬層過淺是兩大突出問題。 返回 quench hardening