1.
These arrangements are subject to periodic review.
这些安排须定期检查。
2.
a temporally organized plan for matters to be attended to.
按时间安排须注意事项的计策。
3.
We must dig trenches to drain the water away.
我们必须开沟排水。
4.
We must drain swamps.
我们必须排出沼泽的水。
5.
We must dig a trench to drain away the water.
我们必须挖一条沟排水。
6.
The waste gases must be vented from the forehearth sections.
废气必须从通路段排除。
7.
Rocks of prejudice must be removed.
必须排除偏见的阻挠。
8.
All of the arrangements I needed to make just fell right into place.
所有我必须做的安排只是将次序排好。
9.
Relief valve must be piped to a suitable drain.
安全阀必须配置通向适当排泄口的排泄管道。
10.
All factories must meet discharge standards by the end of2000.
◆工厂废气、水排放到2000年底必须符合排放标准。
11.
'I had to get into the front rank; I was not born there, was I?'
“我必须在前排； 我不是天生就在前排的，对不对？”
12.
The state claims enterprises have to recently reach drainage standard.
国家要求所有排污企业必须近期实现达标排放。
13.
The discharge line must be installed to allow complete drainage of both the relief valve and the discharge line.
排泄管道必须能够完全容纳安全阀和排泄管的排泄物。
14.
She takes care of all the necessary arrangements.
她照顾到了所有必须的安排。
15.
An arrangement was therefore necessarily made.
这一来就必须作出一种安排。
16.
and you often have to wait in line for a lane on the weekends.
而且在周末必须排队等球道，
17.
The emission of smoke and ashes from that factory must be controlled.
那个工厂排放的烟尘必须得到控制。
18.
We had to arrange for yet another round of concessions.
我们必须安排另一系列让步。