ๅฎ่ฆ
ๅฎ่ฆ, straight ruler
้ทใใๆธฌใฃใใใ็ด็ทใๅผใใใใใใจใใซไฝฟใๅฎ่ฆใงใใๅญฆๆ กใใชใใฃในใงๆใๅบๆฌ็ใชๆๆฟๅ ทใงใใ
ๆฎ้ใฏ30cmใ15cmใฎ้ทใใงใใปใณใใกใผใใซ(cm)ใจใคใณใ(inch)ใฎ็ฎ็ใใไธ็ทใซ่กจ็คบใใใฆใใพใใ้ๆใชใใฉในใใใฏใงไฝใใใใใฎใๆใๅคใใงใใ
This is a ruler used for measuring length or drawing straight lines. It's a basic stationery item used in schools and offices.
They are usually 30cm or 15cm long and have both centimeter (cm) and inch markings. Most rulers are made of transparent plastic.
ๅฎ่ฆใฏๆญฃ็ขบๆงใจ็ฒพๅฏใใฎ่ฑกๅพดใจ่ใใใใฆใใพใใๆฐๅญฆใ็งๅญฆใใใถใคใณๅ้ใงใฏๅฟ ้ ใฎ้ๅ ทใงใใใ็นใซๅปบ็ฏๅฎถใใใถใคใใผใฎไฝๆฅญใซใใใฆ้ๅธธใซ้่ฆใชๅฝนๅฒใๆใใใพใใ
ใใธใฟใซๆไปฃใซใๅฎ่ฆใฎๆฉ่ฝใฏไพ็ถใจใใฆ้่ฆใงใใCADใใฐใฉใใฃใใฏใใถใคใณใฝใใใซใๅฎ่ฆใใผใซใฏๅฟ ้ ๆฉ่ฝใจใใฆๅซใพใใฆใใพใใๅฎ้ใฎๅฎ่ฆใจใใธใฟใซๅฎ่ฆใฏใใใใใฎ้ทๆใจ็ญๆใใใใ็ถๆณใซๅฟใใฆ้ฉๅใซไฝฟ็จใใใฆใใพใใ
็ตตๆๅญใฎ็ตใฟๅใใ
็ตตๆๅญใใฌใผใบ
ๅฎ่ฆใซ้ข้ฃใใ็ตตๆๅญ
ํ์ํ ์ด๋ชจ์ง๊ฐ ์์ต๋๋ค.