Experiment Research on Excavation and Gas Drainage Simultaneously in Thick Seam Wall Drilling
Application of Drift Drill Field "Exhausting while with Excavating" in Gassy Coal Mine
He dragged on the cigarettes as he wrote.
gather clams, by digging in the sand by the ocean.
Study on Technology of Gas Draining While Mining in Working-face;
It's in the right-hand drawer, next to the bottle openers.
At the door of the engine room,the engineer sat smoking a pipeand taking the air.
I would be writing with my pen in a notebook while smoking.
Air can be pumped from one side of a room to another by us.
The Theme Consciousness of Surviving City Brinks As Exploited in the Film "Lease Term";
A man next to me was smoking,and smoke really bothers me.
They talked, thought, and talked.
I sat by the stove, smoking and rubbing the drying mud from my hands.
As he smokes he looks at the black wet floor littered with butts.
Carrie had gone sobbing from the door to the window. She was so overcome she could not speak.
The ends of the threads on one side of the fabric are pulled up until the fabric has been reduced to the required size
Next, by extracting convex polygons consecutively, the noconvex polygon is described as topological structure made of convex polygons at defferent layers.
Michaelis opened the drawer nearest his hand.