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Firstly, the cement mixing tank is very large, and there are two kinds of cement tanks. One is pure reverse, such as reversing out of the parking space. The second is unloading. If unloading, extend out of the chute. The tail of the cement tank truck is inconvenient to install because of unloading and some protruding from the tail

車尾比較臟，而且沒有很合理的位置安裝。

The rear of the car is dirty, and there is no very reasonable installation position.

水泥攪拌車特別大，俗稱“大田螺”。

The cement mixer truck is very large, commonly known as "big snail".

路上左右超車、轉(zhuǎn)彎，工地中頻繁倒車等都是存在隱患的，其實(shí)不光是攪拌車包括掛車、大翻斗車都有所謂的大車盲區(qū)，老司機(jī)很難靠后視鏡把握范圍，靠的是經(jīng)驗(yàn)，隨著科技的發(fā)展，有很多很有疑問：為什么不安裝倒車影像呢？

There are hidden dangers in overtaking, turning around on the road and frequent reversing on the construction site. In fact, not only mixing vehicles, including trailers and large dumpers, have so-called big car blind spots. It is difficult for old drivers to grasp the scope by means of rear-view mirrors, but by experience. With the development of science and technology, there are many questions: why not install reversing images?

不過仔細(xì)想一下，這個(gè)想法確實(shí)可以，因?yàn)楹芏鄷r(shí)候，攪拌車司機(jī)都在倒車，在攪拌站接料的時(shí)候要倒車、給泵車送料要倒車、碰到狹窄的道路，很多時(shí)候都需要直接把攪拌車倒進(jìn)去，我見過人家修路的，由于施工地點(diǎn)不能倒車，所以要把攪拌車倒進(jìn)去，而且倒車長度大概在2左右，所以，按照你的問題所說的，如果能夠在攪拌車的尾部安裝一個(gè)倒車影響，這樣對(duì)于駕駛員來說，確實(shí)可以更加的清楚的知道車尾部的路況和各種障礙物。

However, if you think about it carefully, this idea is really OK, because many times, the mixer truck driver is reversing, reversing when receiving materials in the mixing plant, reversing when feeding materials to the pump truck, and directly reversing the mixer truck when encountering a narrow road. I have seen people who repair roads. Because the construction site can't reverse, they have to reverse the mixer truck, Moreover, the reversing length is about 2km. Therefore, according to your question, if a reversing influence can be installed at the rear of the mixer, the driver can really know the road conditions and various obstacles at the rear of the mixer more clearly.

但是，就是這樣一個(gè)可以提高駕駛員駕駛系數(shù)的裝置，為什么就沒有安裝呢？

However, why is such a device that can improve the driver's driving coefficient not installed?

是大車的用途，大車一般都是工程用車，拉的都是砂石料，用途比較粗放，倒車影像屬于精密電子元件，安裝以后不斷的裝卸砂石料會(huì)對(duì)倒車影像產(chǎn)生影像，可能用不了多久就會(huì)出現(xiàn)故障。

The first is the purpose of the cart. The cart is generally an engineering vehicle, pulling sand and gravel, which is widely used. The reversing image belongs to precision electronic components. After installation, continuous loading and unloading of sand and gravel will produce an image on the reversing image, which may fail in a short time.

由于水泥攪拌車的工作環(huán)境復(fù)雜，上下左右電線，水管，圍墻等等障礙物，加之放料時(shí)濺起的水泥漿也會(huì)把攝像頭覆蓋，所以一般倒車全憑駕駛員經(jīng)驗(yàn)！

Due to the complex working environment of the cement mixer, the obstacles such as up, down, left and right wires, water pipes, walls and so on, and the cement slurry splashed during discharging will also cover the camera, so generally reversing depends on the driver's experience!

水泥攪伴車，我自己曾經(jīng)開過，每天在工地進(jìn)進(jìn)出出，而且很多都是倒車的時(shí)候比較多，確實(shí)存在隱患。

I have driven the cement mixer truck myself. I go in and out of the construction site every day, and many of them are reversing more, which does have hidden dangers.

不只是水泥攪拌車，還有大貨車，掛車翻斗車這些倒車時(shí)都看不見后面，倒車時(shí)只能憑司機(jī)的感覺，就拿水泥攪拌說，后面安個(gè)倒車影像幾天就會(huì)被水泥糊滿的，現(xiàn)在的科學(xué)是發(fā)達(dá)了，但是倒車影像可有可無的，全憑老司機(jī)的多年經(jīng)驗(yàn)和感覺。

Not only cement mixers, but also large trucks and trailer dumpers can't see the back when reversing. When reversing, you can only rely on the feeling of the driver. Take cement mixing as an example. Installing a reversing image in the back will be filled with cement in a few days. Now science is developed, but the reversing image is dispensable, which depends on the experience and feeling of the old driver for many years.