避孕套的使用,下列哪项不是其相对禁忌证()
A.男女任何一方对乳胶或润滑剂过敏
B.生殖器炎症
C.戴避孕套后不能维持勃起
D.不能坚持使用
E.早泄
参考答案:E
A stakeholder is a(n) ______ .
A.project engineer
B.individual or agency that controls contingency funds
C.organization's corporate attorney
D.person or organization that is actively involved in the project, or whose interests may be positively or negatively affected by execution or completion of the project
水平剖分的厚壁瓦,其垂直方向的间隙可利用()来进行调整。