天气转晴 clear ; It's clearing up

天气转凉 The weather transfers coolly ; Cooler weather

天气好转 zhu n zhu

天然气一段转化催化剂 Nature gas primary reforming catalyst

四月天气转暖 warming weather in April ; Warmer weather in April

天气转冷 IT'S GETTING COLD ; The weather became cold

天气还未转冷 Weather is not turned cold ; Cold weather has not been

天气转冷啊 Cold weather ; Weather turns cold

转售天然气 resale gas

天气转冷了 Cold weather