Sketch plate

• 异形板,非标准板

sketch plate的用法和样例：

例句

1. The shuttle plate and parts in this area at the front of the machine should be well dried and a little oil applied to prevent any rust.
   机器前面的梭形板及位于该处的各个零件应仔细擦干并加少量的油，以防生锈。