drop-pipe 下悬喷管
coal drop pipe 落煤管
boom drop pipe 喷杜的下悬管
drop pipe pipes 竖井式跌水
Materials used for drop pipe 管道材质
condensate drop pipe vibration 凝结水下降管
two pipe drop heating system 双管上分供暖系统
Pipe a drop zone 管材放置区
one-pipe drop system 单管上行下给系统
This paper discusses the relation between degree of vacuum and air flow in drop pipe when black liquor flow is constant.
本文叙述了当液体流量恒定时，水腿中（大气压管）吸入空气量与真空度的关系。
The influencing factors of coal arch camber in planomural coal bin and coal drop pipe with rectangular or circular cross section during coal drop are studied theoretically.
对落煤过程中平壁煤仓及截面形状分别为矩形、圆形的落煤管起拱的影响因素进行理论研究。
Result of my study that the problems of great drop line maybe have, which is an essential guidance for pipe commissioning.
研究了大落差管道可能产生的各种问题，对管道的投产具有重要的指导意义。
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