Ice formation on the cylinder and especially on the valve and piping, coupled with the decrease in flow as the cylinder pressure drops, is sometimes misinterpreted as blockage in the valve.

 
  • 在鋼瓶上,特別是在閥門(mén)和管道上結冰,加上因為鋼瓶壓力下降引起的流速下降,有時(shí)候會(huì )被誤認作閥門(mén)內的阻塞物。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan