青云翻译

Again stressed that under the ditch and the head unit must use an anti-collapse box, does not prohibit construction of protective facilities

Once again emphasized the Groove even under unit be sure to use the crush-proof, there is no protection against construction of facilities

Under the once more emphasis a ditch unit certainly must use continually guards against collapses the box, does not have the safe guard prohibition construction

Again, even the first unit of a collapse-resistant case, there is no protection against construction of the facility

Once again emphasized the Groove even under unit be sure to use the crush-proof, there is no protection against construction of facilities