drilled diameter 中文意思是什麼
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A very small hole can be drilled in a diamond for use as a die in drawing very small-diameter wire.
可在金剛石上打出一個很小的孔，作為直徑極小的金屬絲的拉絲模具之用。 -
Steel filter pipes for drilled wells ; flanged connection, nw 500 to nw 1000 nominal diameter 500 to 1000
鉆井用鋼濾管.法蘭連接.公稱直徑500至1000 -
The original granite island which had hills up to 120 meters high was drilled and blasted into boulders no bigger than two meters in diameter
原始的有120米高的花崗巖小島被鉆孔或是爆破直徑成不大於兩米的大石頭。
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