单词	oil-level cock
释义	oil-level cock 油面计开关
随便看	single-picture exposure single picture movement single-picture projection single picture segment single-picture storage single piece single-piece single-piece and small-batch Single-Piece and Small-Batch single-piece barge-launched jacket single-piece disposable type share single piece forging single-piece frame single piece frame press single-piece frame press single-piece graph single-piece high frequency inverter single piece machining single-piece mast single-piece microcomputer single-piece milling single piece mold single piece mould single piece pattern single piece piston