Tighten the radiator draincock and (if removed), the cylinder block drain-plug.

旋紧散热器排放口和汽缸体排放塞（如果它被卸去了）。

youdao

Tighten the radiator draincock and (if removed), the cylinder block drain-plug.

旋紧散热器排放口和汽缸体排放塞（如果它被卸去了）。

youdao