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- Use soil sampler and plankton net to collect organisms in the mud and water respectively. 利用土壤取样器去收集土壤中的生物及利用浮游生物网去收集水中的生物。
- In this paper,the stracture characteristic. the driving type. the working theory the pressure oper ation shaping characteristic. and its merit and present situation are detailed. 本文较为详细地介绍了摆缸式螺旋压力机的结构特点、驱动方式、工作原理、压力加工成形特性、优点及其现状。
- tripping device for plankton net 浮游生物网闭锁器
- ring trawl A coarse mesh plankton net used to collect fish larvae. 环状拖网一种粗网目的浮游生物网,被用来收集仔鱼。
- Its disadvantage is short development time, juvenility technology, high cost and high pressure operation. 不足之处是:发展时间不长,技术不完善,生产成本高,高压操作。
- fuel flow pressure operated actuator 用燃料压力工作的动作筒
- The article introduced the process improvement of thermal process phosphonic acid, such as positive pressure operation, fiber demist. 介绍正压操作、纤维除雾等热法磷酸生产改进等工艺,采用新工艺可节能降耗。
- The beer comes out of the barrel under pressure. 啤酒受到压力从桶中流出。
- Our pressure vessel is licensed product. 我厂生产的压力容器是授权生产产品。
- Loss of pressure had not registered on the dials. 刻度盘未记录压力下降。
- Air pressure forces the water through the pipe. 空气压力使水通过管道。
- Research and Application of the Tubing Pressure Operated Gas Lift Valve 油管压力操作阀气举工艺及应用研究
- What's the atmospheric pressure today? 今天的气压怎么样?
- The water pressure may need adjusting. 水压可能需要调整。
- pressure-operated plankton net 压力开关浮游生物网
- Pressure is force per unit area. 压力就是电单位面积上的力。
- He drop out because of the pressure. 由于校规很严,所以他退学了。
- It took a bit of pressure to make the lid close. 要稍按一下才能把盖子盖紧。
- It was done under the pressure of the necessity. 这件事是在迫切需要的情况下而做的。
- standard plankton net 标准浮游生物网