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Can we dredge the river to make it deeper? 我们能不能把这条河疏浚得深一点？
Why try to dredge up the sad facts of the past? 过去的伤心事何必重提呢?
A barge or boat equipped with a dredge. 挖泥船装有挖掘机的船
dredge sampling 挖泥取样
They have to dredge the canal so that ships can use it. 他们须疏浚运河河道轮船方可通航。
I spent a few days sampling the literature of social science. 我花了几天时间浏览有关社会科学的文献。
There is a sandy bottom to dredge. 有一个沙底要疏浚。
The dredge sat in the boat basin. 挖泥船仍然停泊在小湾中。
To gather, dredge for, or raise oysters. 采集、捕捞或养殖牡蛎
A boat or barge equipped with a dredge. 挖泥船装有挖掘机的船或货船
Dredge the top of the cake with icing sugar. 把糖霜撒在蛋糕面上。
It involves a subject known as isokinetic sampling. 这涉及所谓等速取样的问题。
To clean, deepen, or widen with a dredge. 用挖掘机清除、加深或加宽
To clean,deepen,or widen with a dredge. 用挖掘机清除、加深或加宽
To gather,dredge for,or raise oysters. 采集、捕捞或养殖牡蛎
The concept of sampling will be presented below. 关于采样的概念，后面将要说明。
He managed to dredge up a smile. 他勉强笑了笑。
There are many applications for random sampling. 随机抽样有许多应用场合。
As for cutter suction dredge, the cutterhead ... 对采至船上的砂锡矿,用单一的跳汰分选工艺选矿。
Sampling techniques and practices II. 抽样技术及其应用2。