1.
As the sampler is dragged along the bed, it collects a sample from the top layer of bed material.
取样器沿河底拖动，收取表层河床质。
2.
Study on the Construction Technolgy of Towing Pipes on the Bottom for Laying Pipeline in the Extreme Shallow Water;
滩海水域铺管底拖管道施工技术研究
3.
The definition of a dragnet is a net that is pulled along the bottom of a river or lake, to bring up anything that may lie there.
拖网的定义是一张网沿著河底或湖底拖拉，以起可能停留在那里的任何东西。
4.
And my slippers leak."
连我的拖鞋都漏了底儿。”
5.
drag, usually the bottom of a body of water.
通常指从水的底部拖拉。
6.
lady's embroidered slippers with PVC sole
人造革底绣花女拖鞋
7.
To carry in a punt.
用方头或平底船拖运
8.
chassis, fitted with engines, for tractors
拖拉机底盘,装有发动机
9.
corduroy gentlemen's slippers with PVC sole
人革底条绒面男拖鞋
10.
chassis, fitted with engines, for road tractors for semi-trailers
半拖车铺路拖拉机底盘,装有发动机
11.
Can you reach me my slippers? They're under the bed.
你能把我的拖鞋递给我吗?拖鞋在床底下呢。
12.
Can you reach me (over) my slippers? They're under the bed.
你能把我的拖鞋递给我吗? 拖鞋在床底下呢.
13.
chasis, for the works trucks and tractors
工程载重汽车及拖车底盘
14.
gabardine embroidered lady's slippers with PVC soles
华达呢聚氯乙烯底绣花女拖鞋
15.
the floor or bottom of a wagon or truck or trailer.
马车、卡车或是拖车的底部。
16.
floorboard for road motor vehicles or tractors
道路机动车辆或拖拉机底板
17.
The steam tug takes canal boats and barges in tow.
驳船后面拖着小艇和平底船。
18.
corduroy lady's high heel slippers with PVC sole
人革底条绒面高跟女拖鞋