止裂孔 的英文怎麼說
中文拼音 [zhǐlièkǒng]
止裂孔
英文
stohole-
No retrofit holes had been installed at the interior support.
在中間支承上沒有設置止裂孔。Initially 24 mm holes were drilled at the crack tips to arrest propagation.
最初，在裂紋尖端鉆24mm的孔以阻止其擴展。All existing web cracks were arrested by drilling 19 mm holes at the ends of the cracks.
所有已存在的腹板裂紋都在裂紋端部鉆19mm的孔止裂。Prevention of fissured nitrogen hole in cast iron produced with resin sand
樹脂砂生產鑄鐵件裂隙狀氮氣孔及其防止This special heat - treatment ensures full bearing performance and prevents the set screws from loosening during operation as the set screws can be tightened hard enough without causing broken inner ring set screw hole
內圈螺釘孔周圍經局部高溫回火后，軸承獲得更好的性能，可防止螺釘在軸承工作期間松脫，同時螺釘擰得緊也不會導致內圈爆裂。Treatment on spot is to drill holes to stop cracking and determine service period according to the length of crack
現場處理的方法是打止裂孔，根據裂紋長確定使用時段。Many means such as reasonable selecting mould material, correct forging process, appropriate heat treatment, rough machining of type hole before quenching and so on are taken in production to prevent deformation and cracking of mould effectively
在生產實踐中，通過合理選擇模具材料、正確的鍛造工藝、合適的熱處理工藝以及淬火前形孔預加工等措施，可有效防止模具的變形與開裂。At first, the author has analyzed the theory, mechanism and shock - absorption in pre - split blasting, studied the rising of crack, expanding and stopping, and did various factors which influence on the crack of rock in pre - split blasting. the main factors have been determined to be the strength of mineral and rock, the diameter of drill, the type of explosive and the growth degree of crack. then, the author has researched bp neural networks " work principle, structure and defectiveness
首先分析了巖石成縫的理論、機理和減震作用，研究了裂紋的起裂、擴展和止裂；分析了各種因素對巖石預裂爆破成縫的影響，確定了礦巖強度、孔徑、炸藥類型和裂隙發育程度作為主要影響因素；並研究了bp神經網路工作原理、結構和缺陷，把改進的bp神經網路運用在巖石預裂爆破參數設計中，建立以礦巖強度、孔徑、炸藥類型和裂隙發育程度為主要影響指標的bp神經網路的預裂爆破參數設計識別模型；運用matlab6 . 5語言開發了爆破參數設計的智能系統，實現了預裂爆破參數設計的自動化，用工程實例驗證系統模塊的功能。分享友人