車両 しゃりょう そう重量 じゅうりょうでしょう
sharyō sō jūryōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 車両総重量

1. Probably the total vehicle weight.; Likely the gross vehicle weight.

Polite
Presumptive
Conjecture