The physical model of cantilever board in bench blasting is firstly presented and based on the hypothesis, a formula for calculating the charge weight in the MS delay bench blasting is also derived.
首先提出台阶岩体爆破的悬臂薄板物理模型，并在此基础上建立了台阶多排微差爆破的炸药量计算公式。
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This article introduces the requirements of aligning to the installation of gear case and construction process, calculating for sheets of epoxy resin chock for gear case on board.