Using protection cast process in the whole course to debase the content of gas and inclusion.

 
  • 采用全程保护浇注工艺降低气体和夹杂物含量 ;
分享单词到:
今日热词
  • 深远海浮式风电平台 - deep-sea floating wind power platform
  • 京雄高速公路 - Beijing-Xiongan expressway
  • 农业及相关产业增加值 - the added value of agriculture and related industries
目录 附录 查词历史