Hanoi tower problem 汉诺塔问题...a tower of strength 中流砥柱...baby tower 小型蒸馏塔...absorbing tower 吸收塔...absorption tower 吸收塔...catalytic tower 催化反应塔...packed spray tower 填充喷淋塔...packed absorption tower 填充式吸收塔...catalyst tower 催化剂塔...earthenware tower 陶制塔...gas scrubbing tower 气体洗涤塔...valve tower 浮阀塔...packing tower 填料塔...washing tower 洗涤塔...angle tower 转角塔...packed tower 填充塔;填料塔...quench tower 急冷塔;骤冷塔...vacuum tower 真空蒸馏塔...packed extration tower 填充式萃取塔...bell tower 钟塔,钟楼...caustic contact-tower 碱接触塔...
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