海底管道保温结构通常分为单重和双重钢管保温结构。
Thermal insulation coating systems for subsea pipelines can be classified as single and double-steel pipe insulation systems.
目的探讨双重钢丝荷包环扎治疗髌骨粉碎性骨折的优势和可行性。
Objective To discuss the advantage and feasibility of double annular ligation with steel line combined with Chinese Traditional Medicine (CTM) treating comminuted bone fracture.
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