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His incisive, domineering utterance and imposing style, with his strong aquiline nose and resolute clean-shaven mouth, give him an air of inportance.
他说话的口吻决绝、专横,态度盛气凌人,再加上他的鹰钩鼻,刮得光光的绷紧着的嘴,使他大有不可一世的气概。 收藏。
This article details the inportance of the valve in the project, flow pipe system and installation technique.
主要从工程应用、供水管路系统、安装工艺等方面,详细介绍了阀门在供水管道中的重要性。
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