The workmen are still busy concreting the road.工人们仍忙着用混凝土铺路。Anchor concreting is an effective support technique to control surrounding rock deformation and keep tunnel stability.锚杆注浆是一种行之有效的控制围岩变形和保证巷道稳定的支护技术.The workman...
You can't occupy yourself with dismal thoughts all the time.不要终日陷在阴郁的思绪中。It was a dismal failure.这是个让人沮丧的失败。The singer gave a dismal performance of some old songs.那歌手唱了几首老歌,唱得不怎么样。...