开: open; turn on; switch on; be ...或: nǎi-.关: close; shut气瓶: air bottle; gas cylinder阀: established house or power g ...气瓶阀: bottle valve; cylinder valve打开或关闭: open or close氧气瓶阀: oxygen cylinder valve氩气瓶阀: valves for argon cylinders溶解乙炔气瓶阀: valves for dissolved acetylene cylinders液化石油气瓶阀: valves for liquefied petroleum gas cylinders打开或关闭文件共享锁: locking车用压缩天然气瓶阀: valves for compression natural gas cylinders for vehicles气瓶阀通用技术条件: general technique specifications for cylinder valves如何打开或关掉视窗xp系统恢复: how to turn off or turn on windows xp system restore显示消息，或将命令回显打开或关上。: echo气瓶阀出气口连接型式和尺寸: outlet connections and sizes for cylinder valves关气杆: air shutter lever关气机: air shutter气瓶: air bottle; gas cylinder◇气瓶压力 storage pressure或关系: or relationship速关气阀: quick-closing valve相关气象学: correlation meteorology液氨瓶阀: valves for liquid ammonia cylinders液氯瓶阀: valves for liquid chlorine cylinders
