(Environmental Engineering) A fossilized organic material present in oil shale and some other sedimentary rocks.
ภาพประกอบ (Environmental Engineering) A fossilized organic material present in oil shale and some other sedimentary rocks.
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
K.W kapox key hole key hole saw (campas saw, pad sew) Kicker kilo-volt ampere king pin king rod kitchen-garden knee-action wheels knife switch kraft paper