Two kinds of liquid distributors, with high turndown ratio, for batch distillation and multi-purpose packed columns are described in this paper.

介绍两种适用于分批精馏及多用途填料塔的液体分布器——槽式和双排管式高弹性液体分布器。

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All rooms come standard with an international pillow menu, free high-speed Internet access, turndown service, and express check-in and check-out.

每一个房间都标准配备枕头选单，免费高速网络设备，开夜床服务，以及快速入住及退房。

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