black vacuum
常見例句
- Folks, the President needs a break. He’s like a Black and Decker cordless Dirt Devil vacuum.
夥計們,我們的縂統(tǒng)需要休息一下,就像百德公司的吸汙天使牌無繩吸塵器,你不給他充電就沒法吸髒東西了。 - Folks, the President needs a break. He 's like a Black and Decker cordless Dirt Devil vacuum. If you don't recharge his batteries, he can't suck.
夥計門,縂統(tǒng)需要一會休息。他現(xiàn)在就像個黑人和無線汙垢的真空惡魔脫水機如果你不給他的電池再充電,他就不能吮吸了。 - Theory: utilize the difference of liquor level to form vacuum to completely wash the black liquor out of pulp layer, a three-phase adverse current washing method is adopted.
原理:利用液位差,形成真空度把漿層裡的黑液過濾完進行洗滌,我們是採用三段逆流洗滌的方法。
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