ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(ไฟฟ้า) สายไฟที่ต่อจากสายใหญ่จ่ายไปตามบ้านเรือน และอาคารต่าง ๆ
สายเมนไฟฟ้าที่พาดอยู่ตามถนน
(english) Device that holds that roll of steel banding.
(english) Various tests which is used to ascertain the toughness and ductility of a metal product, in which the material is bent around its axis and/ or around an outside radius. A complete test might specify such a bend to be both with and against the direction of grain. For testing, samples should be edge filed to remove burrs and any edgewise cracks resulting from slitting or shearing. If a vice is to be employed, then you must line the jaws with some soft metal, to permit a flow of the metal in the piece being tested.
(english) A device for converting hydraulic energy into mechanical energy, i.e., a motor or cylinder.
(Concrete Engineering) Energetic agitation of concrete to assist in its consolidation, produced by mechanical oscillating devices at moderately high frequencies. (A.) External vibration employs a device attached to the forms and is particularly applicable to the manufacture of precast items and for the vibration of tunnel lining forms. (B.) Internal vibration employs an element which can be inserted into the concrete; and is more generally used for cast-in-place construction.
อาณาเขตของการไฟฟ้า , การประปา ฯลฯ
(ประปา) ท่อน้ำโค้งรูปข้อศอก มีเกลียวอยู่ด้านนอกของ ปลายท่อข้างหนึ่ง
(Concrete Engineering) The temporary force exerted by the jacking device which introduces tension into the tendons. Jacking Stress In prestress concrete, the maximum stress occurring in a tendon during stressing.
(english) A device which permits air to move in and out of a container or component to maintain atmospheric pressure.
(english) A fabric or plastic device that is used with an o-ring or other gasket to prevent extrusion of the o-ring or gasket into an adjacent space or crevice
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