It has been impossible to anticipate the amount of bile drainage

预计胆汁的引流量是不可能的。

属类：综合句库--

What little grass there was in the yard was plastered sparsely down on the ground, the way the drainage water had left it

院子里那一点点青草现在稀稀拉拉紧贴在地面上,就象是阴沟水流过以后那样。

属类：综合句库--

In conventional railroad building methods, a load of crushed rock is laid after the footing has been prepared. The crushed rock is called ballast, and it severs both to distribute the load and to provide drainage .

在传统的铁路施工中,基础平整完毕以后再铺上碎石子。这种碎石子叫做道碴,用来分散负荷和排水。

属类：工程技术-交通-交通土建工程

During the Pleistocene Ice Age, the ancient drainage systems were almost completely rearranged by glaciation

在更新世冰期,古水系常被冰川作用完全改造。

属类：综合句库--

Flat roofs have historically been used in arid climates where drainage of water off the roof is not important, as in the Middle East and the southwestern U.S.

在历史上,平屋顶多被用在较干旱的地方,因为在这些地方,屋顶的排水并不重要,如在中东和美国西南部。

属类：工程技术-建筑-

Chest percussion and vibration are used with postural drainage to help dislodge secretions

在做体位引流时要敲击和振动胸部帮助分泌物松动排出。

属类：综合句库--

This effect is because the iris, crawled back into the angle of the anterior chamber of the eye, interferes with drainage of aqueous humor

这是因为虹膜退缩在眼前房内,妨碍了房水的引流。

属类：综合句库--

These textile materials act as a barrier to the movement of soil particles but permit the flow of water necessary for adequate drainage .

这些纺织材料相当于一道屏障,它阻止了土壤颗粒的运动,但允许水的流动,以利于排水。

属类：行业术语-纺织服装-

The city was even equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.

这座城市甚至还敷设过排水系统,因为在窄窄的街道底下发现了许多陶土制的管道。

属类：综合句库--

Drainage was to the north and individual channels bifurcate in that direction

整个水系向北排水,各个河道朝该方向分叉。

属类：综合句库--