discharge orifice

基本解释

A volatile material dispenser includes a housing adapted to be releasably mounted on a container having a tilt-activated valve stem. The housing includes a discharge orifice.
一种挥发性材料散放器，包括：外壳，适于被可释放地安装在具有倾斜致动的阀杆的容器上，其中所述外壳包括排出孔；
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The outline of the masonry arch dam is double-curved, the dam body is impervious, the crest spillway is built of slotted-type bucket and the mid-discharge orifice is slit-type bucket.
模型试验和实际运行表明，浆砌石拱坝体型、坝体防渗及泄水建筑物等设计是成功的。
The utility model can prevent the discharge-orifice steel columns of the upper draining valve cover from cracking, increase the service life of oil-well pumps, and lower oil-production cost.
本实用新型可防止抽油泵在采油过程中上排出阀罩出油孔筋柱裂断，提高抽油泵的使用寿命，降低采油成本。
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