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- four stack diffusion furnace 四管扩散炉
- RJS series of energy-saving stoves aluminized steel (except Oil Furnace, aluminizing furnace, diffusion furnace), mainly on the various aluminized steel for use. JS节能系列渗铝钢炉（除油炉、渗铝炉、扩散炉），主要对各种型钢进行渗铝之用。
- temperature of the diffusion furnace 扩散炉温度
- To win, you must build four stacks of cards, one for each suit, in ascending order (ace to king). 若要获胜,必须构建四叠纸牌,每套一叠,按升序排列(A到K)。
- To win, you must make four stacks of cards, one in each suit, in ascending order (ace to king). 若要获胜,必须构建四叠纸牌,每套中一叠,按升序排列(A到K)。
- The accountant called, "Do your stuff". The pooch went to the kitchen, got a dozen cookies and made four stacks of three. Everyone was impressed. 会计跟他的狗说，“展示你的绝活。”这小杂种跑进厨房，叼来一打饼干，分成三堆，每堆三个。大家对此印象深刻。
- The corpus callosum, pyramidal tract, basal ganglia, four stacked body, choroid plexus and brain stem, etc. may shrink as a result of prolonged pressure. 胼胝体、锥体束、基底节、四叠体、脉络丛及脑干等处均可因长期受压而萎缩。
- high-precision automatic-controlled constant temperature diffusion furnace 高精度自动控制恒温扩散炉
- It is clear to all of us that two plus two is four. 二加二等于四对我们大家都很清楚。
- He wove four plots together into a novel. 他把四条情节编成一部小说。
- We have tea at four o'clock in the afternoon. 我们在下午四点钟喝茶。
- The town boasts four swimming pools. 这座城镇以拥有四个游泳池而自豪。
- Our football team won by four goals to nil. 我们的足球队以四比零取胜。
- He lay back and hit the ball for four. 他向后弯身击中球，得了4分。
- I was clean broke in less than four days. 不到四天我就一个钱也没有了。
- I'll look out for you at about four. 我4点钟左右找你。
- He showed us four case studies of disturbed girls. 他给我们看了4位精神失常姑娘的病历。
- My house is four miles distance from the sea. 我家离海四英里。
- Our team beat them hollow by four clear goals. 我们队以净胜4分彻底击败了他们。
- The leap year comes around once in four years. 每四年有一个闰年。
