Drain, drain cap, Floor drain (0).

排水口，排水盖，地漏(0)。

youdao

Have you heard of oil cap or drain plug not tightened?

你曾听说过机油盖或泄油螺丝没栓紧的事吗？

youdao

Have you heard of oil cap or drain plug not tightened?

你曾听说过机油盖或泄油螺丝没栓紧的事吗？

youdao