题目内容

以下布线方法中,()不是建筑物内水平双绞线的布线方法

A. 暗道布线
B. 向上牵引
C. 墙壁线槽
D. 吊顶内布线

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含碳量较低的马氏体,为一束相互平行的细条状,称为()

A. 片状马氏体
B. 针状马氏体
C. 板条马氏体

Most covered lifeboats will right themselves after capsizing if the().

A. passengers are strapped to their seats
B. fuel tanks are not less than half full
C. sea anchor is deployed to windward
D. lower ballast tanks are filled with water

应急预案分为泄漏、火灾、工艺和()等突发事故预案。

()是基于XML的,在分布式的环境中交换信息的简单协议。

A. HTTP
B. FIX
C. SOAP
D. WSDL

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