1.
gulley emptier/sewage equipment
清沟机/下水道设备
2.
Research on Dredging Sludge Elutriation and Separation by Double-drum Cleaning Machine
双层滚筒式清洗机淘洗分离通沟污泥研究
3.
He cleared out the drain.
他清除了水沟中的污物。
4.
The water in the ditch is not very clean.
沟里的水不很清洁。
5.
The drains ran with fresh water.
排水沟里潺潺流着清水。
6.
D. Clean the slots of O-rings, Talfon slots, body spindle and spherical surface intensively.
形环沟槽，铁氟沟槽，主体轴心孔及球面加强清洗。
7.
twin-disk drill
双圆盘开沟器的条播机
8.
hoe-colter drill
带锄式开沟器的条播机
9.
dual-purpose dril
(平播与沟播)两用条播机
10.
endless chain trench excavator
循环链式多斗挖沟机
11.
rotary drain cutter
旋转式排水沟挖掘机
12.
sewerage dredger
(敷设污水管用的)挖沟机
13.
Application of air-lift dredging technology to construction of thin-cutoff wall for Daqinggou Reservoir
气举清淤在大清沟水库薄墙工程中的应用
14.
Research on Upright Helix Furrowing Opener and Characteristics of Ditching Machine;
立式螺旋开沟器及开沟机整机特性研究
15.
The workmen cleared out the drain
工人们清理了那条排水沟。
16.
They have cleaned out this drain
他们已清理干净了这条排水沟。
17.
It is difficult to make an accurate count of the stone lions in the Lugou Bridge.
卢沟桥的狮子极不容易数清。
18.
For multiple caves there is that complex of caves at Hermit's Hill that communicate with each other, making it impossible to say how many caves there indeed are.
多的如隐山诸洞，相互沟通，数也数不清。