n. orifice
misc. orifice plate
... 孔板组 orifice plate unit 量孔板 measuring orifice plate; orifice plate 喷孔板 orifice plate ...
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流量孔板 flow orifice plate ; orifice plate ; diaphragm
测量孔板 Measuring Orifice Plate
小流量孔板 miniflow orifice
蒸汽流量孔板 steam-flow orifice
孔板流量计 Orifice Plate Flowmeter ; orifice flow meter ; SITRANS
孔板量计 orifice flowmeter
宽量程孔板流量计 wide range orifice meter
孔板流量计系数 orifice meter coefficient ; orifice flowmeter factor
缺量测孔盖板 ullage plate
介绍了孔板、涡街流量计测量不同流体时引起的能耗量的计算方法，举例说明了能耗量的大小。
The paper introduces calculating method of energy consumpation caused by flowmeters, such as orifice flow meter, vortex flow meter, and illustrates magnitude of energy consumpation with examples.
上向孔侧向崩矿爆炸应力波对采场项板的破坏比水平落矿爆炸应力波对采场顶板的破坏要小，从而使撬毛工作量减少了58.3％。
The destroy of the roof produced by stress wave of upward hole side blasting is less than that of the level hole blasting. The work of prizing flexible rock decreased by 58. 3%.
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