单词	sling block
释义	sling block 吊索滑车
随便看	standard simplex standard single-mode fiber standards issued by Ministry standard-size standard size standard size brick standard-sized standard size of flange standard size piston standard size refractory brick standard sizing scale standard skeleton diagram standards laboratory standard sleeper standard slice standard slide valve diagram standard slip standards-maintenance system standards manual standard snow tube standards of commodity package standards of conduct standards of consumption standards of disclosure standards of feasibility 敨敩敩1 敩学相长敪敫敬敬1 敬2 敬3 45158 45159 45160 45161 45162 45163 45164 45165 45166 45167