| tremie pipe |
ท่อเทคอนกรีตใต้น้ำ |
| water repellent cement |
ปูนซีเมนต์กันน้ำ |
| wetted perimeter |
เส้นของรูปร่องน้ำส่วนที่เปียกน้ำ |
| A Coatings |
(English) Coatings on hot-dipped galvanized steels processed to convert the coating completely to zinc-iron alloys; dull gray in appearance, have no spangle, and after proper preparation, are well suited for painting.
|
| A Sheet Metal Screw |
(english) Sheet metal screws with (a) sharp-pointed ends; and (b) fewer threads per inch than type AB screws; and (c) deeper threads with bettere gripping power than type AB. The industrial Fasteners Institue incorrectly labes type A an “obsolete” thread though it is universally preferred in 18-8 stainless over type AB, especially by the marine industry. |
| AB Srews |
(english) Sheet metal screws with pointed ends similar to type-A screws and thread dimensions similar to type-B. Type AB screws are seldom used in stainless. |
| Abrasion-Resistant Steels |
(english) A family of steel products developed for those applications involved in sliding and/or impact abrasion. |
| Abrasive 1 |
(english) Material for grinding, polishing, blasting, either in loose form or bonded to form wheels, bricks, or files, or applied to paper and cloth by glue or resin. Natural abrasives include emery, corundum, garnet, sand, flint, etc. Metallic shot and grit are also used as abrasives in cleaning castings |
| Abrasive 2 |
(english) Natural – sandstone,emery,corundum,diamonds, or Artificial – silicon carbide,aluminum oxide – material used for making grinding wheels,andpaper,abrasive and lapping compunds. |
| ABSOLUTE PRESSURE |
(english) The indicated value of the weight of the earth's atmosphere. At sea level, this value is approximately 14.65 psi (pounds per square inch). |
