1·They find dirty surfaces and paint them with images or messages using cleaning brushes or pressure hoses.
他们找到肮脏的表面，之后用清洁刷或高压软管在上面画上图案或写上信息。
2·Sampling devices include hoses and flasks to collect water samples, and sometimes, plankton are collected on filters dragged through the water behind a ship.
一般使用包括软管和烧瓶在内的采样设备来采集水样，有时候，浮游生物是通过船尾的拖曳滤网收集的。
3·The petrol pumped into Gaza by underground pipes and hoses from Egypt costs a third of what it does in Ramallah, the Palestinians' West Bank capital, where Israel supplies it.
4·Outside the riser are several hoses and smaller pipes for recirculating the synthetic mud and controlling the blowout preventer.
在立管外面是一些软管和小管，用于回收合成泥浆和控制防喷器。
5·It was a small vacuum chamber, about the size and shape of a bathtub stopper, that contained a plunger and spring, and had two small air hoses attached to it.