单词	coal valve
释义	coal valve 煤阀
随便看	partial conjugation partial connection partial connection number partial connective stability partial conservation of energy partial conserved axial current partial constant angular velocity partial constraint partial constraint in chinese analysis partial constructive dimension partial contact partial container freighter partial container ship partial containment partial contenst partial content partial contents partial contents note partial contingency partial continuity partial contour partial contract partial contraction partial control partial control of access