It is wrapped in white paper and sealed with a dab of red sealing-wax by a clever chemist . 它被白纸包着，并被一个灵巧的药剂师用一小块红色封口蜡封着。
Batteries may be constructed with one-piece cover, with double flanged seal channels on the under side, into which sealing compound is poured . 蓄电池可以是整体盖结构的，在盖底边上有一个供灌注封口剂用的凸出的双边封沟。
Utilities required are only those necessary to heat the sealing compound and any power that might be required to drive the small motor of the acid filling machine . 所需要的辅助设备只包括加热封口剂所必须的那些设备以及带动注酸机的小电机的电源。
With the other hand, squeeze the bulb which forms pressure in the cell and forces air and (or) electrolyte through any leaks that may be present in the sealing compound . 另一方面，压挤橡胶球，使单格电池内部产生压力，迫使空气和（或）电解液穿过封口剂上任何可能存在的缝隙。
The casing is provided with a self - sealing cover - plate 外壳是自动封口的活动盖板。
In the sealed plastics - lined iron drums of 50kg net each 铁桶内衬塑料袋扎紧封口， 50kg装。
Got that . and there ' s a funny word for the seal isn ' t there 写上。封口有一个有趣的词描述。
