yòng / shí / bān / zǎi / nǐng / jǐn / luó / mǔ / shí / yào / xiān / xuǎn / duì / chǐ / cùn

用十扳仔拧紧螺母时，要先选对尺寸。

When using a wrench to tighten a nut, choose the right size first.