由管道的轴测图判断出管道的走向,并填空。该管道自A点向<img class="questionIndex" data-index="1" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace1.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="2" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace2.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="3" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace3.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="4" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace4.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="5" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace5.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="6" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace6.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="7" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace7.gif" style="white-space: normal;"/>、向<img class="questionIndex" data-index="8" src="https://zjy2.icve.com.cn/common/images/question_button/BlankSpace8.gif" style="white-space: normal;"/>到达B点。<img src="https://upload.icve.com.cn:89/ssykt/y@2B3186C1FABC33225382BC805424E1D4.png/download?time=636534399217859576&token=4A2D6ED89FAF2CCA08563DF059C786A7&filename=%E8%87%AA%E5%8A%A8%E4%B8%8A%E4%BC%A0p5elah6ofilfkbdrcydsgg20180205150521.png"/>