through hole for closure stud的意思|示意
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英 / /
封头螺柱直通孔
through hole for closure stud的网络常见释义
封头螺柱直通孔 ... through hole [直]通孔，贯穿孔 through hole for closure stud 封头螺柱直通孔 through hole refueling 贯通换料 ...