常見例句雙語例句Under the condition of orthogonal experiment process parameters, we actually produced Die Casting pump cover .并選用以上正交試驗的工藝參數(shù),對泵蓋進(jìn)行實際壓鑄生產(chǎn)。The main parts include pump body, pump cover, impeller, axis, sealing rings, intermediate support, sealing and suspension parts and other components.泵主要由泵體、泵蓋、葉輪、軸、密封環(huán)、中間支架、密封和懸架部件等組成。www.1x1y.com.cnPump cover material with steel ZG230-450 more, can also be used ductile iron, the latter two materials contrast of wear resistance and hardness and heat resistance to be because the former.泵體、泵蓋的材質(zhì)采用鑄鋼ZG230-450的較多,也可以采用球墨鑄鐵材質(zhì),兩種材質(zhì)對比后者的耐磨性和硬度以及耐溫性要因為前者。權(quán)威例句Americans could use this money as they see fit--to help meet their monthly bills, cover higher costs at the gas pump or pay for other basic necessities.FORBES: Bush Offers Stimulus PlanTo make a gadget called the Can Pump N' Pour, a circular hard plastic ring with a rubber cover that keeps the fizz in opened soda cans, Davison engineers went through 30 different versions with its own moldmaking machines before getting the shape right.FORBES: Inside InventionLand 返回 pump cover