In order to establish the computation model of the trajectory when the projectile entering into water,the patter of the trajectory and vacuole of the ordinary bullet and the spherical cannonball in the water when they entering into water are recorded.
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Obviously water is being removed from the primary system, flooding into the containment and entering into the containment sump which is in the basement where all the water essentially ends up.
很明显主系统的水是要除去的,涌入容器里,进入容器的池里,那是在底下,所有的水,最后都会到那去。
Series 709 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system.
系列709双止回阀总成适用于防止受到污染的水回流进入到饮用水系统中。
The latter is the "water wedging" action induced by entering of water into the crack.
后者是库水进入裂缝后形成的足够强的“水楔”作用。
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