pitching wedge 中文意思是什麼

pitching wedge 解釋
短挑會旋球棒
  • pitching : n. 1. 鋪地石，護堤石。2. 扔出；【棒球】投球（法）。3. （船的）縱搖或前後簸動；【航空】俯仰。
  • wedge : n 1 楔，尖劈，楔形物；【幾】楔形。2 【冶金】高壓頂點。3 〈比喻〉可以逐漸擴大作用的開端。vt 用楔子...
  1. Based on the hypothesis that the rear side of retaining wall is pitching and coarse, and the filling surface is gradient, taking viscous filling as the object of study and using the static balance method, a study has been conducted on the earth pressure on the rear side of retaining wall under the sliding wedge ' s limiting equilibrium condition, and generated a general form for active earth pressure and passive earth pressure

    摘要基於擋土墻墻背俯斜、粗糙且填土表面傾斜的情況，以粘性填土為研究對象，用靜力平衡方法研究了擋土墻后滑動土楔體達到極限平衡狀態時作用於墻背的土壓力，提出了主動土壓力和被動土壓力的一般形式。
  2. Do you even know what a pitching wedge is

    你知道牽引楔形桿是什麼嗎？
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