垂直低速带时间的英文

• vertical weathering time

• 垂直:    perpendicular; vertical; squ ...
• 低速:    low speed; low velocity
• 带:    belt; girdle; ribbon; band; ...
• 时间:    time; hour
• 低速带:    low velocity layer; low velocity region; low velocity zone; low-velocity layer; low-velocity zone; lowvelocitylayer; lvl; lvz; slow speed band; slow-speed band; weathering zone; zone of low velocity