| 1. | The basket and pan types cause an increased resistance to flow .
吊篮和平盘式取样器加大了对水流的阻力。 |
| 2. | A depth sampler is strapped to the running board of the helicopter .
把深水取样器固定在直升机的试验台上。 |
| 3. | Bed material samplers, as first developed, may be divided into three types .
最初的河床质取样器有三种类型。 |
| 4. | This sampler can be used only in streams shallow enough to be waded .
这种取样器只能用在能涉渡的浅水河流上。 |
| 5. | 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。 |
| 6. | In the initial stages of the development of samplers, an open container or bucket was used to dip samples from a stream .
最初的取样器是开口的容器或筒，直接从河中提取水样。 |
| 7. | Standard practice for sampling using a trier sampler
用取样器取样的标准实施规程 |
| 8. | Sampler : the sample chamber is defined by sustomer
取样器的取样盒尺寸由用户决定。 |
| 9. | Sampling with a dipper or pound sampler
用汲取取样器或捣碎取样器取样 |
| 10. | Standard guide for sampling wastewater with automatic samplers
使用自动取样器的废水取样标准指南 |
