達鎢度 的英文怎麼說
中文拼音 [dáwūdù]
達鎢度
英文
darcy velocity-
Seat face stellited, ground and lapped to a mirror finish. conical seat machined to 8 rms
閥座面為鎢鉻鈷合金,經過研磨拋光達到鏡面光潔度。錐形閥座經過機加工,精度達到8rms 。Seat face stellited, ground and lapped to a mirror finish
鎢鉻鈷合金面閥座,經過研磨拋光達到鏡面拋光度。Ganzhou government strictly executed the national policy and yearly plan for tungsten concentrate producing by adopting measures of managing tungsten quota, controlling the supply of detonator materials, approving the confidential of artificial person and controlling the output strictly
贛州還認真執行國家下達的鎢精礦年度開采計劃,採取鎢精礦生產配額管理、公安部門批供火工產品、礦產資源管理部門辦理準運手續等措施,嚴格控制生產總量,做到了鎢精礦產量6年多來逐年穩中有降。
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