bore bit 中文意思是什麼
bore bit
解釋
鏜孔鉆頭-
Chap you know just to salute bit of a bore
點頭之交是令人厭煩的。 -
To create this product, we bore a bottom hole into the metal using a sharp drill bit while simultaneously carrying out tap processing
該機能的秘訣是採用全冷間鍛造前端部分。利用鉆頭尖銳的頭部往金屬上面打洞，同時進行螺紋加工。 -
Even a small bit of mud, snow, excess lubricating oil or grease in the bore can cause dangerously increased pressures, causing the barrel to bulge or even burst on firing, which can cause injury to the shooter and bystanders
即使極少量的泥沙、雪、過量的潤滑油或油脂都可能導致膛內壓力危險地升高，進而造成槍管鼓脹甚至炸裂，而這會嚴重傷害射手和旁觀的人。 -
On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied
本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上，藉助原有的井架、平臺等設備，研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置，並研究了井底四維模擬壓力（上覆壓、圍壓、孔隙壓和液柱壓）的產生、控制及其控制的建模與模擬，從而實現井深至6000米的四維井底壓力環境的模擬。 -
In chapter two, the rock mechanics and the bit working circumstance in the bottom hole of 6000m deep well have been discussed. on the basis of which the high pressure simulating well bore and the high pressure connector between the static well bore and rotating drill pipe have been designed
第二章分析探討了井底巖石的受力狀態以及鉆頭的工作環境，並依此研究分析了建立該模擬壓力環境的機械裝置?高壓模擬井筒和鉆柱高壓轉聯器。
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