She stopped in front of a painting of a dog and she started going "woof woof"她在一幅狗的画像前停下来，开始“汪汪”地学起狗叫来。The dogs sat there without even a woof.狗坐在那里，叫都没叫一声。She stopped in front of a painting of a dog and she started going...
当手提钻开始工作时,她塞住耳朵; 塞住鼻子.She held her ears when the jackhammer started to operate; hold one's nose.我和朋友说话,而某人在我们身后正用手提钻在修路.I talk to my friend and someone repairing the road behind us starts up a jackhammer....
When choosing collets and collet bodies, you need to consider two main factors.夹头及夹头机构在选择, 你需要考虑两个主要因素.Insert the pin into the collet and tighten the collet nut.把小棒插入夹头,拧紧夹头螺母.Collet followed the agent about fifty yards ...