There is a distinct difference between these two vessel types.
之间存在着这两种类型的船只明显差异。
The company has one or two types of pressure vessel design and manufacture of eligibility .
公司拥有一、二类压力容器的设计制造资格。
The company has one or two types of pressure vessel design and manufacture of eligibility .
公司拥有一、二类压力容器的设计制造资格。
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