例句與造句

1. Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining
   漸開面包絡(luò)環(huán)面內(nèi)螺紋蝸桿砂輪磨齒，是一種硬齒面齒輪精加工的新型工藝。
2. It's difficult to find thread worm in a sentence. 用thread worm造句挺難的