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ค้นเจอ 123 รายการ

Brazing

(english) Joining metals by fusion of nonferrous alloys that have melting points above 800 F (425C), but lower than those of the metals being joined. May be accomplished by a torch. Filler metal is ordinarily in rod form in torch brazing; whereas in furnace and dip brazing the work material is first assembled and the filler metal may then be applied as wire, washers, clips, bands, or may be bonded, as in brazing sheet.

Brake

(english) A piece of equipment used for bending sheet; also called a bar folder. If operated manually, it is called a hand brake; if power driven, it is called a press brake.

Cement, Portland (ASTM C150) (Concrete Engineering)

A powdery substance made by burning, at a high temperature, a mixture of clay and limestone producing lumps called “clinkers” which are ground into a fine powder consisting of hydraulic calcium silicates. For non-portland cements, see aluminous cement.

White box testing

a test case design technique that makes use of a knowledge of the internal program logic

annealed wire

ลวดโลหะที่ทำการเผาหรือชุบให้อ่อนตัวแล้ว

Gravity:

(english) An attractive force between two objects; each object accelerates at a rate equal to the attractive force divided by the object's mass. Objects near the surface of the earth tend to accelerate toward the earth's center at a rate of ; this value is often called the gravitational constant and denoted as g.

Normal strain:

(english) Strain measuring the intensity of deformation along an axis. Normal strain is usually denoted by . Average normal strain between two points is calculated as (Delta L / L), where L is the original distance between the points, and L is the change in that distance. Normal strain is often simply called strain.

air cooled engine

เครื่องยนต์ที่ใช้ระบบระบายความร้อนด้วยอากาศ

Boiler

(english) A closed vessel in which water, is transformed into steam at a given pressure and temperature under controlled conditions.

Detailed Estimate of Construction Cost by the Contractor

การประมาณราคาการก่อสร้างอย่างลงรายละเอียดโดยผู้รับจ้าง

beveled sticks

(การพิมพ์) แท่งไม้หรือโลหะสำหรับใช้กับกุญแจลิ่มอัดกรอบตัวพิมพ์ในแท่นพิมพ์

scrolled foot

ตีนขาโต๊ะหรือตู้ที่ขดงอ นิยมกันในปี 1680 - 1700

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