column head

短语词组

短语

• coal column machine head 煤棒机机头
• column n head 柱头;柱帽
• column cap head 柱头
• flared column head [建]漏斗式柱头
• column head pressure 柱头压
• flared d column head 漏斗式柱头
• expanded column head 扩头柱
• column head sampling 柱头进样
• water column head 水柱高度
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