water-side face 中文意思是什麼
water-side face
解釋
上游面-
As particular geological bodies, many paleo - sinkholes extensively develop and distribute in north - china - type coalfields, this paper studies the model of water inrush for thick wall cylinder at side face of paleo - sinkholes in north - china - type coalfields, this has great significance to the safety production of coalmines
摘要巖溶陷落柱作為一種特殊地質體,在華北型煤田廣泛發育和分佈,本文就華北型煤田巖溶陷落柱側壁厚壁筒突水模式及判據進行了研究,這對華北型煤田煤礦安全生產有著重要意義。 -
The main characteristic of pulse plasma propulsion in water is great propulsion in moment, whose average propulsion is smaller. so it may be useful for side face propulsion of ships in static state as the assistant propulsion
水中脈沖等離子體推進的主要特點是瞬間推力大,但由於它所產生的平均推力小,更適合用作助推力,可實現船舶的定向和準確停靠。
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