B
生物医药大词典
by MedSci
菜单
词典
分类
百科
诗词
背单词
英文名
DeepEvidence ↗
确认登录状态…
例句 /
Add lubricant to the transmission parts regularly as it runs.
Add lubricant to the transmission parts regularly as it runs.
运行时请定期给各传动部位加润滑油。