Need to check the oil box's bottom which outlet whether closed or not, after closed surely then open the top of oil box and add the sealing cover for the top orifice.

检查油箱底部放油口是否已关闭，确定关闭后再打开油箱顶部加油口密封盖。

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After placement of the bottom stopper, the valve on the top stopper was closed and the core was withdrawn from the surrounding sediments.

塞上底端的塞子后，关上顶端塞子上的阀门，之后将样品柱从周围沉积物中拉出。

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The intake stroke starts with the pistonat the top of the cylinder (intake valve open and exhaust valve closed) and stops with the pistonat the bottom of its travel.

进气冲程在活塞位与气缸顶部（进气门开启，排气门关闭）时开始，在活塞到达其行程的底部时结束。

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The system also has more or less the same book-inspired shape as Lenovo's U-series Ultrabooks, meaning when the notebook is closed, the top and bottom edges protrude ever so slightly beyond the sides, sort of like a hardcover shell cradling a spine full of pages.

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That finally happened when the Jerome reopened this past December after being closed four months for a many-million-dollar top-to-bottom renovation. (The hotel declines to say exactly how many millions.) The architects, designers, and historians nailed it.

FORBES: A Colorado Crown Jewel, Better Than Ever: Hotel Jerome In Aspen

The model Carolyn Murphy closed the Calvin Klein show with a navy leather dress, fitted on top then flared into a full skirt in the bottom.

FORBES: NYFW Fall '13 Day 8: Ralph Lauren, Calvin Klein, Marc Jacobs