A.10mg/L B.100mg/L C.1000mg/L D.15mg/L
A.不超過額定轉(zhuǎn)速 B.不超過常用轉(zhuǎn)速 C.不超過系泊試驗(yàn)車速 D.正車為額定車速,倒車為系泊試驗(yàn)車速
A.6 B.10 C.12 D.15