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- Keywords Vacuum interrupter Vacuum shell Ceramic glaze Metallizing Blacking; 真空开关管;管壳;瓷釉;金属化;发黑;
- Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
- The fire( furnace) has burnt itself out. 炉火因燃料烧尽而熄灭了。
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- His wife's death left him a vacuum in his life. 他妻子的去世使他的生活变得空虚。
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- Her husband's death left a vacuum in her life. 她丈夫的死使她的生活变得空虚。
- Some people are living in a vacuum. 有些人过着与世隔绝的生活。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- A furnace that manufactures producer gas. 煤气发生炉制造发生炉煤气的炉子
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- A vacuum cleaner is a handy household tool. 吸尘器是一种使用方便的家庭用具。
- The walls of the furnace are under repair. 炉壁正在修理。
- The shop repairs vacuum cleaners. 这家店修理吸尘器。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- The porter turned off the vacuum. 清洁工关掉真空吸尘器。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- Would you please fire the furnace? 你去给炉子添加燃料好吗?
