题目内容
（请给出正确答案）
A．flame temperature
B．fuel oil
C．air movement
D．gas force
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更多“A cast steel strong back is fi…”相关的问题
A cast steel strong back is fitted in way of the combustion space to help absorb _____.
A.flame temperature
B.fuel oil
C.air movement
D.gas forces
The existing steel and cast iron rods have the same diameter.Considering both carrying capacity and economic benefits,the rational selection of the two rods of the illustrated structure is().现有钢、铸铁两种棒材，其直径相同，从承载能力和经济效益两方面考虑，图示结构两杆的合理选材方案是。
A、Rod 1 is steel and rod 2 is cast iron
B、Rod 1 is cast iron and rod 2 is steel
C、Both rods are steel
D、Both rods are cast iron
A、carbon steel
B、alloy steel
C、cast iron
D、tool carbon steel
A.low-half, cast iron; top-half, heat-resistant steel
B.low-half, aluminum; top-half, stainless steel
C.piston skirt; cast iron; piston crown; heat-resistant steel
D.piston skirt; aluminum; piston crown; stainless steel
What is acceptable flame screening ________．
A.A fitted single brass screen of 10 x 10 mesh
B.A fitted stainless steel screen of 30 x 30 mesh
C.A fitted single stainless steel screen of 15 x 15 mesh
D.Two fitted brass screens of 10 x 15 mesh spaced 1/2 inch apart
B．肺炎克雷伯杆菌
C．肺炎链球菌
D．SARS
E．金黄色葡萄球菌
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