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31. The Tonglu Mountain Copper Mine used an elaborate system of timbering support the working areas.

32. Some researchers at home and aboard apply model test to deep foundation pit simulation study, most of them are sheeting pile timbering deep foundation pit simulation which is stuffed with sand.

33. The impacts of timbering parameter and soil distribution on safety factor are analyzed.

33. Sentencedict.com try its best to collect and build good sentences.

34. The timbering parameters of lane were determined according to timbering engineering empirical formula.

35. China has been the second wood-import country in the world. Timbering trade is an important part to guarantee stable operation of China's wood market.

36. With the increase of the depth of coal mining, the advanced timbering technology of rigid flexible layer has wide application foreground.

37. Qixia boasts a sound industrial foundation with kinds of excellent products. The industry products range from timbering , textile, machinery, electronics, gold, chemical industry to food and so on.

38. It is widely used in textile, paper making, food, feeding, found, fine chemistry, medicine, timbering, petroleum and so on.

39. Rational model of timbering of lane and stope and timbering parameters have been proposed based on the engineering geology conditions of test area.

40. Then Adopt injection reinforce strata, reinforced timbering , stiffen resist support for resist let conjoint compound support, roger good effect.

41. The agency has 39 subunits of which 13 forest fields and managing manufactures are engaged in timbering supply.