tank parts
4.The wing is devided into 12 functional parts,such as structure for bending momen t, for shear force, for air load distribution, for landing gear mounts, for exte rnal hanging, for fuel tank mounts,for leading edge , for trailing edge, for fla p, for aileron, for wing-body joints and for the other parts of the wing.First, established is the wing mass estimation model.Then,the correct factors in the mo del are based on present data of fighter wings determined.
5.American law specifies that if car/motorcycle/motorcar and its parts (brake hose, car lighting, reflector, brake fluid, tyre and felloe, glass, headgear, paint and chemical coating materials used for traffic means, and so on), ship, plane, truck, tank truck, electric car, tyre, air-pocket and such products want to come into America for sale and use, they have to get the DOT certification.
6.The system mainly consisted of two parts: (1) the auto-drain system controlled by the enactment of water level through standpipe outside the fish tank; (2) the solids (remnant feed &feces) auto-removal system operated by the joint action of a screen beside the drainpipe and the brush in water wheel.
