The surveyor could not see what was in front as his whole field of vision on that side was covered by the broad clumsy back of the driver.

土地测量员没法看清前面是什么，因为他的整片视野被车夫宽大而笨拙的背挡住了。

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Provides draught-free ventilation without interfering with the driver′s field of vision.

提供无气流的通风，不干扰驾驶员的视野。

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