说实话，我不太明白为什么中间规则跨越 6 列，但事实确实如此......
我正在寻找一种方法来创建两个不同的中间规则（一个用于电压，一个用于送丝速度，每个3列），但我只是在浪费时间，因为我真的不知道这里发生了什么......我检查了tabulararray文档但它没有什么帮助。
谢谢
\documentclass{scrartcl}
\usepackage[margin=20mm]{geometry}
\usepackage{pdflscape}
\usepackage[version=4]{mhchem}
\usepackage{xcolor}
\definecolor{dark-blue}{RGB}{28, 69, 135}
\definecolor{purple}{rgb}{.82, .1, .26}
\definecolor{tableLineOne}{RGB}{255, 253, 233}
\definecolor{tableLineTwo}{RGB}{255, 250, 194}
\usepackage{tabularray}
\UseTblrLibrary{booktabs, siunitx}
\NewTableCommand\panelsteel{
\SetCell[c=8]{c,bg=purple,fg=white}}
\begin{document}
\begin{landscape}
\begin{longtblr}[
caption = {Minimal booktabs example.},
label = {tab:table1}
]{
colspec = {*{8}{X[si={table-format=3.4},c, m, cmd={\hskip 0pt}]}},
colsep = 1.2pt,
cell{1}{1-2} = {r=2}{m},
row{even[3]} = {bg= black!30},
row{odd[3]} = {bg= black!5},
row{1,2}= {fg=white,bg=dark-blue},
rowhead=2
}
\toprule[fg=white]
Thickness (in)
& Amperage (\unit{\ampere})
& \SetCell[c=3]{c} Voltage (\unit{\volt})& &
& \SetCell[c=3]{c} Wire feed speed (ipm)& &\\
\midrule[fg=white]
& & \ce{CO2}
& \ce{Ar} \qty{75}{\%} \ce{CO2} \qty{25}{\%}
& \ce{Ar} \qty{98}{\%}+ \ce{O2} \qty{2}{\%}
& Steel 0.030
& Steel 0.035
& Steel 0.045 \\
\bottomrule[fg=white]
\panelsteel{Short circuit transfer mode}
& & & & & & & \\
\midrule[fg=dark-blue]
.028 & 40 - 55 & 16 - 17 & 15 - 16 & - & 90 - 100 & - & - \\
.036 & 50 - 60 & 17 - 18 & 15 - 16 & - & 120 - 135 & 105 - 115 & - \\
.048 & 70 - 80 & 18 - 19 & 16 - 17 & - & 150 - 175 & 140 - 160 & 70 \\
.064 & 90 - 110 & 19 - 20 & 17 - 18 & - & 220 - 250 & 180 - 220 & 90 - 110 \\
.08 & 120 - 130 & 20 - 21 & 17 - 18 & - & 250 - 340 & 240 - 260 & 120 - 130\\
.125 & 140 - 150 & 21 - 22 & 18 - 19 & & - & 280 - 300 & 140 - 150\\
.1875 & 160 - 170 & 21 - 22 & 18 - 19 & - & - & 320 - 340 & 160 - 175\\
.25 & 180 - 190 & 23 - 24 & 21 - 22 & - & - & 360 - 380 & 185 - 195\\
.3125 & 200 - 210 & 23 - 24 & 21 - 22 & - & - & 400 - 420 & 210 - 220\\
.375 & 220 - 250 & 24 - 25 & 23 - 24 & - & - & 420 - 520 & 220 - 270\\
.5 & 300 & - & - & - & - & - & 375\\
\midrule[fg=dark-blue]
\panelsteel{Spray arc transfer mode}
& & & & & & & \\
\midrule[fg=dark-blue]
.028 & 50 - 60 & - & - & - & 120 - 135 & 105 - 115 & - \\
.036 & 70 - 80 & - & - & - & 150 - 175 & 140 - 160 & 70\\
.048 & 90 - 110 & - & - & - & 220 - 250 & 180 - 220 & 90 - 110\\
.064 & 120 - 130 & - & - & - & 250 - 340 & 240 - 260 & 120 - 130\\
.08 & 140 - 150 & - & - & - & - & 280 - 300 & 140 - 150\\
.125 & 160 - 170 & - & - & 23 - 24 & - & 320 - 340 & 160 - 175\\
.1875 & 180 - 190 & - & - & 24 - 25 & - & 360 - 380 & 185 - 195\\
.25 & 200 - 210 & - & - & 24 - 25 & - & 400 - 420 & 210 - 220\\
.3125 & 220 - 250 & - & - & 25 - 26 & - & 420 - 520 & 220 - 270\\
.375 & 300 & - & - & 26 - 27 & - & - & 375\\
.5 & 315 & - & - & 29 - 30 & - & - & 390\\
\bottomrule[fg=dark-blue]
\end{longtblr}
\end{landscape}
\end{document}