ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(english) Developing a smooth finish on a metal by tumbling or rubbing with a polished hand tool.
(Environmental Engineering) An organic compound with a carbonyl at one end of a hydrocarbon group.
(Environmental Engineering) A functional group with an oxygen atom double bonded to a carbon atom.
(english) A compressive load supported by a member, usually a tube or collar, along a line where contact is made with a pin, rivet, axle, or shaft.
(english) A long, tapered cutting tool with serrations which,when forced through a hole or across a surface, cuts a desired shape or size.
อนันยอุณหภูมิ
(Software Engineering) the work-time product (e.g., person-days) associated with a project
(english) A diamond penetrator, conical in shape, used with a Rockwell hardness tester for hard metals.
(english) To polish A smooth finish of high luster with a cloth or fabric wheel to which a compund has been added
(english) The changing of the passive surface of a metal to a chemically active state. Contrast with passivation.
(Concrete Engineering) When a moisture laden gas comes in contact with a cooler surface a change of state from gaseous to liquid occurs.
เลขกำลังในพิชคณิต เป็นเลขจำนวนน้อยหรือเป็นสัญญลักษณ เช่น 4 -a - a -a