inside screw的意思|示意
内螺纹;螺母
inside screw相关短语
1、 inside screw stop valve 内螺纹截止阀
2、 inside screw lift check valve 内螺纹升降式止回阀
3、 Inside screw stem stop valve 下螺纹阀杆截止阀
4、 inside screw & non-rising stem 内螺纹非升杆
5、 IS inside screw stem 内螺纹阀杆
6、 ISRS Inside screw&Rising stem 内螺纹升杆
7、 INSIDE SCREW WEDGE GATE VALVES 暗杆楔式闸阀
8、 ISNS Inside screw&Non-rising Stem 内螺纹非升杆
9、 inside screw and non-rising stem 暗杆内螺纹