The taps appeared to be made of solid gold.水龙头似乎是用纯金制成的。The pipes should be made of plastic .这些管子应该是用塑料制作的。A boat must be made of buoyant material.船一定要用有浮力的材料来做....
The engine - feed system interface is at the turbopump inlet flanges.发动机与供应系统的交界是在涡轮泵的进口法兰盘处.The web and flanges of the main girders were fabricated from ASTM A 441 steel.主梁的腹板和翼缘用ASTMA441钢制造.During fabrication slots for...