The change in pressure can be recorded by means of a pen arm on a rotating drum.
气压变化可以借助在转动的钟筒上移动的笔记录下来。
Procedure of manually combing large size unit's Feed water Pump is complex and easy to cause much change of drum level.
大机组给水泵手动并泵操作复杂，易造成汽包水位大幅波动。
For the fact that the present sulphuric acid price is low, it is proposed to change the production of compound fertilizer from rotary drum steam granulation to ammonia and acid granulation process.
针对当前硫酸价格低，提出了把转鼓蒸汽造粒生产复合肥工艺改为氨酸法造粒生产复合肥。
At the high load condition, change the rotating speed of steam or electricity feed water pumps to ensure the water level of the drum.
高负荷时通过改变给水泵转速改变给水量，用三冲量系统控制汽包水位。
The winch adopted valve-controlled proportional speed regulation hydraulic drive and PLC control to realize stepless speed change of the winch drum and coordinating control of the cable layer.
管线绞车采用阀控比例调速液压驱动、LC控制，实现了卷筒的无级变速和排缆器的协调控制。
High drum clutches are getting hot while drilling, please repair or change it!
高速离合器发热，请修理一下或换掉！
High drum clutches are getting hot while drilling, please repair or change it!
高速离合器发热，请修理一下或换掉！
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