该冲洗管包括外管和内阀。
The cleaning tube comprises an outer tube and an internal valve.
这种技术可以通过将纳米管天线包裹在半导体材料内核外实现。
This could be done by constructing the antenna around a core of semiconducting material.
这种技术可以通过将纳米管天线包裹在半导体材料内核外实现。
This could be done by constructing the antenna around a core of semiconducting material.
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