管道必须有足够的(),可以承受各种内外荷载。
A.韧性
B.抗腐蚀性
C.强度
D.光滑度
参考答案:C
下列除哪项外,均为阳明腑实证的临床表现()。
A.脉沉迟而实
B.日晡潮热
C.身热不扬
D.腹胀拒按
E.大便秘结
Hygroscopic cargoes should be ventilated when().
A.going from a warm to a cold
B.the dew point of the outside air is greater than the dew point of the air in the hold
C.the dew point of the air in the hold is very low
D.the outside dew point is 16°C and the cargo temperature is 12°C