lightly mottled gray cast iron的意思|示意
美 / /
英 / /
浅斑驳的灰色铸铁
lightly mottled gray cast iron的网络常见释义
轻麻口灰铸铁 ... lightly doped base || 轻掺杂基区 lightly mottled gray cast iron || 轻麻口灰铸铁 lightly pitching coal || 缓倾斜煤层 ...