词汇	malmstone 铺路用
释义	malmstone 铺路用燧石质砂岩
随便看	circulation theory of airfoil circulation theory of history circulation theory of screw propeller circulation therapy circulation thermostat circulation thought scientific development circulation time circulation time assay Circulation Time,Blood circulation time butter circulation time determination circulation time measurement Circulation Times,Blood circulation tracer Circulation translation circulation treatment circulation tube circulation type Circulation type classification circulation type x ray tube cooler circulation type x-ray tube cooler circulation use circulation use energy circulation use of water circulation use of water resource