1.
single-acting compressor
单动空压机;单动压缩机;单向作用压缩机;单作用压缩机
2.
single-acting cross head type engine
单作用十字头式发动机
3.
unskilled jobs;unskilled labor.
简单工作，简单劳动
4.
single-shot operatio
单步操作 -单脉冲或单循环
5.
Having, acting by means of, or produced by a single magnetic or electric pole.
单极的有、作用于或产生于单磁极或单电极的
6.
To start %1, click Start on the Action menu.
要启动 %1，单击“操作”菜单上的“启动”。
7.
Financial contribution from proponent and business partner(s)
申请单位和合作单位的投资
8.
Only One-Way Operation can be bound to One-Way Send Port.
只可将单向操作绑定到单向发送端口。
9.
a hut crudely roofed with strips of bark
简简单单用树皮作顶的小屋.
10.
Written work orders are returned to the originator for appropriate follow up.
工作单需交还发单人做适当记录。
11.
Reference must be to a single cell on the active sheet.
引用必须是活动工作表的单个单元格。
12.
A firm order is often called an indent.
确定的订单常称作订货单。
13.
This is an easy task.
这是件简单的工作。
14.
The piper's work was very easy.
“吹笛者的工作非常简单。
15.
The operation of this machine is simple.
这个机器的操作很简单。
16.
Click and drag to begin creation process
单击并拖动，开始创作
17.
hard monotonous routine work.
艰苦的单调的日常工作。
18.
a monotonous task
单调而使人厌倦的工作