Hardfacing
耐磨堆焊
🗣️ 情景例句
Dr. Tyler's office. Good morning.
早上好，泰勒医务所。
He gave me a chest X-ray and took my blood pressure.
他给我做了X光检查并且量了我的血压。
Like exercise books, rulers, pens, colour pencils, erasers and maps.
像练习本、格尺、钢笔、彩色铅笔、橡皮和地图等。