单词	u型剖面
释义	U型剖面U-section
随便看	reciprocating compressor reciprocating compressor without crankshaft reciprocating cryogenic liquid pump reciprocating cutter reciprocating cutting machine reciprocating device reciprocating diaphragm pump reciprocating drill reciprocating engine reciprocating feed reciprocating feeder reciprocating flight conveyor reciprocating force reciprocating fuel injection pump reciprocating grate reciprocating grid reciprocating grid moving grid reciprocating grid; moving grid reciprocating internal combustion engine reciprocating knife reciprocating knife mower reciprocating knife mower-bar unit reciprocating lever reciprocating light reciprocating lights