成人做爰免费视频免费看_成人a级高清视频在线观看,成人a大片在线观看,成人a大片高清在线观看,成人av在线播放,一a一级片,一级黄 中国色 片,一级黄 色蝶 片,一级黄色 片生活片

An ideal liquid sampler for most common liquids including water, oils, sludge etc.
• Manufactured from spark suppressant brass • Bottle can be easily  removed  using patented click system • 130mm diameter -  300mm high - 3 kg weight
Operation 
Lower sampler into liquid. Pull reel to lift stopper. This allows liquid to flow into the glass bottle. Remove sampler and remove bottle.

深圳欣生源生物科技有限公司作為英國(guó)Sampling Systems Ltd 中國(guó)區(qū)代理商，不僅提供優(yōu)惠的產(chǎn)品價(jià)格，更有優(yōu)質(zhì)的售前及售后服務(wù)。