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
口和导
不同形状，可以制造细
盖以覆盖导和螺纹部
，并
顶部封住导。
With certain shapes of or canula, elongated caps are made to cover both canula and threaded portion, and seal the canula at its top.
根据口和导不同形状，可以制造细盖以覆盖导和螺纹部，并顶部封住导。
声明：以上例句、词
类均由互联网资源自动生成，部未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
