bottom dead center (BDC)______
举一反三
- At the bottom dead center (BDC), the piston moves back up, compressing the trapped fuel-air mixture in the cylinder with both intake and exhaust valves closed．
- The scavenging air ports are located at （） that they are just exposed by the upper edge of the piston when the piston is in the bottom dead center position.
- top dead center
- At bottom dead center, the centerline of the connecting rod usually coincides with the（） A: angularity of the piston motion B: inertia moment from the piston C: centerline of the cylinder D: centerline of the king pi
- 下列关于transform-origin属性说法错误的有： A: 值为top left | left top 时，等价于 0 0 B: 值为left | left center | center left时， 等价于50% 0 C: 值为right | right center | center right 时，等价于 100% 50% D: 值为bottom | bottom center | center bottom 时，等价于100% 50%