caliber size
口径大小
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The degree of deglutition difficulty depends on narrow length and caliber size.
吞咽困难的程度取决于狭窄的长度和口径大小。
youdao
As noted in our hands-on, the A99 was surprisingly lightweight and easy to handle for a camera of its size and caliber.
ENGADGET: Sony Alpha A99 DSLR sample shots and video, plus comparison with the RX1 full-frame compact
应用推荐
模块上移
模块下移
不移动