一种供钻井眼的钻孔机组使用的装置。钻孔机组的冲击机构、顶推机构和旋转机构分别跟钻头连接，这些机构分别由第一、第二和第三种压力下的第一、第二和第三种流体驱动，分别将冲击力、推力和转矩传递给钻头。冲击力、推力和转矩分别随第一、第二和第三种压力改变。所述装置包括分别与第一、第二和第三种流体连通的第一、第二和第三压力传感器，分别输出随第一、第二和第三种压力而改变的第一、第二和第三电信号。位置传感器输出随相对于基准点的钻头深度而改变的第四电信号。仪器监测第一、第二、第三和第四信号并产生关于冲击力、推力、转矩和深度的相应的图表曲线。
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The degradation of contaminant, PAHs is very ineffective and slow. Beside, during soil composting process, the toxicity of PAHs significantly increased with its increased molecular weight. More difficulty, the biodegradation of molecules containing five or more benzene rings of PAHs molecules is ver.....
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Second edition This collection of speeches explains the principal elements of Islam belief in the existence and Unity of God, in resurrection and the Day of Judgment, in the Divine Scriptures, as well as other familiar themes of Islamic discourse. Fethull作者/Author: Fethullah Gulen出版社/Publisher: Nile.....
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In the past, unbelief was the result of ignorance. But recently unbelief, rejection, and denial have been attitudes of those who consider themselves knowledgeable in all fields, who claim to accept and believe only on rational or scientific grounds. Cloa作者/Author: Fethullah Gulen出版社/Publisher: Nile.....
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In the past, unbelief was the result of ignorance. But recently unbelief, rejection, and denial have been attitudes of those who consider themselves knowledgeable in all fields, who claim to accept and believe only on rational or scientific grounds. Cloa作者/Author: Fethullah Gulen出版社/Publisher: Nile.....
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