词汇	dan breach
释义	dan breach 溃坝
随便看	double-acting pile-hammer double acting piston double-acting piston double acting piston pump double-acting piston pump double actingpneumaticcylinder double acting pneumatic cylinder double acting pneumatic hammer double acting points double acting positioner double acting power unit double-acting power unit double acting press double-acting press double acting pump double-acting pump double-acting raising machine double acting ratchet withdrawing mechanism double acting regulator double-acting regulator double acting relay double-acting relay double acting rotary engine double-actings double acting shock absorber