Stelometer
斯坦洛式束纤维强力测试仪
🗣️ 情景例句
and photograph street performances in the city,
拍摄城市 的街头表演，
No man knows when he shall die, although he knows he must die.
纵然知其难免一死，人却难料何时身亡。
What kind of quality control do you have?
你们用什么办法来控制质量呢？