mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">双头螺柱中所用的垫圈多为弹簧垫圈,其上开口可为任意方向。
发布时间:2022-05-09 09:53:41 作者:admin 阅读量:202
mso-bidi-font-family:Times New Romanmso-bidi-theme-font:minor-bidi;
mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA">双头螺柱中所用的垫圈多为弹簧垫圈,其上开口可为任意方向。