... subsurface flow control 地下流量控制 subsurface flow 地下流动 subsurface flowmeter 井下流量计 ...
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熔岩在地下流动形成的熔岩空洞,也是旅游者感兴趣的地方。
The molten lava flows the formative molten lava in the underground empty is also a tour interested in place.
熔岩在地下流动形成的熔岩空洞,也是旅游者感兴趣的地方。
The molten lava flows the formative molten lava in the underground empty, is also a tour interested in place.
在巴西亚马逊地区地下流动的地下河不是传统意义上的河流,即使它的存在已经被证实。
A subterranean river said to be flowing beneath the Amazon region of Brazil is not a river in the conventional sense, even if its existence is confirmed.
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