The nozzle geometric parameters included hole number and diameter, hole angle and hole length-diameter ratio(L/D).

喷嘴结构参数包括喷孔数、喷孔直径、喷孔夹角和喷孔长径比。

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The reclining angles can be adjusted by changing the connection of armrest hoo-ks with the 4-hole Angle adjust Panel.

躺卧角度可通过扶手下面的四孔角度调整板调整。

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Hole Angle should not exceed 15 degrees any where in the hole unless down hole geological conditions induce such deviation, such as acute fault intersections.

井斜角在井眼任何地方不应超过15度，除非井下地质条件引发了此种偏离，如严重的断层交叉。

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Under Plan B, a hole is being drilled at a roughly 80-degree angle into an area of the mine shaft that is used as a mechanical workshop.

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