punt glass
常见例句
- Thick glass, gently sloping shoulders and a deep punt (the indentation on the underside) are necessary as the pressure inside the bottle is three times of the pressure inside an average car tyre.
厚厚的玻璃、傾斜的瓶肩、和深陷的瓶底都是必須的，因爲瓶內的壓力是普通汽車車胎壓力的三倍。 返回 punt glass