常見(jiàn)例句

雙語(yǔ)例句

• When using bulk supply of NF3, such as a Y cylinder or a tube trailer, the pigtail-to-valve connection should also be ventilated.
  當(dāng)需要大量供應(yīng)NF3時(shí)，如Y鋼瓶或管道拖車，還應(yīng)該對(duì)豬尾管到閥門接頭通風(fēng)。
返回 pigtail connection