It depends on the type of car you are buying. Lao Zhonghua (offline) 1 and 3 cylinder spark plugs are easy to disassemble. Nowadays, Zunchi and Junjie 2 and 4 cylinder spark plugs are easy to disassemble. This has been the case with Brilliance for many years. The problem that cannot be fixed is that the EFI system and the computer do not work well together. Second, the shock absorber is heavy. If the owner is not careful, it can easily cause the shock absorber. to leak oil and accelerate chassis wear. There is also the production of electricity. Since the generator is a bottom-mounted generator, it is easy to enter the water in winter and easily freeze after parking, causing the generator belt to break. This is also a common problem of Chinese cars which tend to veer to the right when driving on the road. The tendency towards the alignment of the fourwheels cannot be solved and nothing else can be done.
1: Do it. upper part of the positioning steel bar in a "convex" shape and weld it to the main bar
2: Make a circle with a concrete pie (thickness approximately 20), leave a hole of 12 in the middle, radius = thickness of the protective layer, then pass 8 to 10 wire rods through and weld to the main rib.
Method 1: It is fast and consumes a lot of steel bars. For special projects, it can reach 8% consumption.
Method 2: It takes a lot of time and concrete lathe. the cake is easy to break before or during proofing.
Suggestion: When using method 1, place 4 lines evenly spaced 4-6m apart (on the same surface, at a 90 degree angle) and put less. At the same time, early strength type C30 can be used to make round concrete cakes.