half ball valve 半球形阀
half ball 半球形 ; 半球
three-way half ball valve 三通半球阀
Half Ball Handicap 半球让球盘
quartz half ball window 石英半球观察窗
half-ball 半球
half-ball valve 半球形活门
way half ball valve 三通半球阀
One time, two guys cut the ball in half.
有一次，两个家伙把球切成两半。
The upper half of the ball is removable, is under your tank to be removed also.
上半球可以移去，在水箱下也没问题。
In fact, the pair thinks about half of all ball lightning reports are actually tricks of the mind induced by magnetism.
事实上，这对夫妻，认为几乎全部报道过的球状闪电中的一半竟然是磁性在人的心目中的所构成的骗局。
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