词汇	clamp latch
释义	clamp latch n.夹紧闩
随便看	economic unit under collective ownership economic unity economic universities economic unrest economic upheaval economic upsurge economic upturn economicus economic use Economic Useful Life economic usefulness economic useful plant economic useful tree varieties economic use of area economic uses of products economic using life economic utility economic utilization economic vaibility economic valuation economic valuation method economic valuation of outdoor recreation economic value economic value added economic value-added