With certain shapes of or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.
根据管口和导管的不同形
，
制造细长的管盖覆盖导管和螺纹部分，并
顶部封住导管。
With certain shapes of or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.
根据管口和导管的不同形，制造细长的管盖覆盖导管和螺纹部分，并顶部封住导管。
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上例句、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
