英语词汇parallel heading怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?平行导坑
... 横洞transverse gallery 平行导坑parallel heading 横通道transverse passage-way ...

短语

1
parallel heading adit
平行导坑
2
parallel heading ventilation
平行导坑通风
3
parallel heading of line
线平导

双语例句

1
Design code and key technical points for main tunnel and parallel heading of East Qinling Super-long Tunnel are introduced.
介绍东秦岭特长隧道工程正洞及平行导坑的设计标准、施工技术要点。
2
In a cat's throat, for example, the two tubes run roughly horizontal and parallel to each other before heading on to the stomach and lung, respectively.
举个例子，猫的喉咙里这两种管子大致是平行分布，然后各自到达胃和肺部。
3
Starting from an altitude of no less than twenty (20) meters and on a heading parallel to the flight line, with the helicopter inverted and to the pilot right, start your Autorotation.
机头保持与航道平行，且高度不得低于20公尺，直升机保持倒飞姿态，向操控者的右侧开始执行熄火降落。

单词	parallel heading
释义	parallel heading 简明释义平行导坑网络释义 1 ?平行导坑 ... 横洞transverse gallery 平行导坑parallel heading 横通道transverse passage-way ... 短语 1 parallel heading adit 平行导坑 2 parallel heading ventilation 平行导坑通风 3 parallel heading of line 线平导双语例句 1 Design code and key technical points for main tunnel and parallel heading of East Qinling Super-long Tunnel are introduced. 介绍东秦岭特长隧道工程正洞及平行导坑的设计标准、施工技术要点。 2 In a cat's throat, for example, the two tubes run roughly horizontal and parallel to each other before heading on to the stomach and lung, respectively. 举个例子，猫的喉咙里这两种管子大致是平行分布，然后各自到达胃和肺部。 3 Starting from an altitude of no less than twenty (20) meters and on a heading parallel to the flight line, with the helicopter inverted and to the pilot right, start your Autorotation. 机头保持与航道平行，且高度不得低于20公尺，直升机保持倒飞姿态，向操控者的右侧开始执行熄火降落。
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