他从口袋里拿出两根牙膏管，将里面的化学品挤在了下水道的槽中，化学品马上开始进行化学反应。
He takes the two tubes of toothpaste out of his pockets and gives them a squeeze, expelling the chemicals into the drain where they immediately start reacting.
操作和管理窑，处理槽和其他设备，来干燥木材和其他木制品，使用防腐剂，用化学方法处理和浸渍木制品。
Operate and tend kilns, treating tanks and other equipment to dry lumber and other wood products, and to treat chemically and impregnate wood products with preservatives.
因为在放电过程中的化学反响，可以使电解液向轻贱，也可以使气泡沿槽的上升，可以使德国阳光蓄电池掉落沿槽下沉。
Because in the discharge process of chemical reaction, can make the electrolyte to the vain, also can make bubbles rising along the trough, can make Germany sunshine battery drop down the sink.
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