... external protective tissue 表面防护薄纸 external screw 阳螺丝 external treatment 厂外处理 ...
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external screw thread [机] 外螺纹 ; [机] 阳螺纹
external screw cutting tool 外螺纹车刀
external screw gauge 外螺纹检查规
external screw thread finish 外螺纹瓶口
casale closure with external screw 外螺纹卡扎里密封
Taper external screw threads 锥管内螺纹
external screw stop valve 外螺纹截止阀
If that installed duct can be in the external screw fixed outlet.
如明装风管，则可在管外用螺丝固定风口。
The utility model comprises a jar body, a jar lid, an air hole, a cushion ring, internal screw threads and external screw threads.
本实用新型由坛体、坛盖、透气孔、垫圈、内螺纹和外螺纹构成。
Working with external bearing structure of the double screw pump bearings are separated.
外置轴承结构的双螺杆泵工作腔同轴承是分开的。
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