重型 zhòngxíng HSK7 heavy-duty Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他们使用重型设备和水管来控制森林火灾。 tāmen shǐyòng zhòngxíng shèbèi hé shuǐguǎn lái kòngzhì sēnlín huǒzāi. They use heavy equipment and water hoses to control forest fires. Source: CCMatrix