A.單點(diǎn)長(zhǎng)畫線兩端不應(yīng)是點(diǎn),雙點(diǎn)長(zhǎng)畫線的兩端可以是點(diǎn)
B.雙點(diǎn)長(zhǎng)畫線兩端不應(yīng)是點(diǎn),單點(diǎn)長(zhǎng)畫線的兩端可以是點(diǎn)
C.單點(diǎn)長(zhǎng)畫線或雙點(diǎn)長(zhǎng)畫線的兩端均可以是點(diǎn)
D.單點(diǎn)長(zhǎng)畫線或雙點(diǎn)長(zhǎng)畫線的兩端不應(yīng)是點(diǎn)
A.上面
B.下面
C.右側(cè)
D.左側(cè)
A.0.5mm
B.0.6mm
C.0.7mm
D.0.8mm