...he movie was very boring and only a little people finished it ? 这部电影是很无聊，只有就完成了小矮人 taper drill ? 锥钻 I cherish every time you give the message of the opportunity to improve my English level ? 我珍惜每次你提供的信息的机会,...
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?锥形演练
... I won't spit, ? 我会不随地吐痰， taper drill ? 锥形演练 I wanna need your love... ? 我想要你的爱......
"A" TaperDrill Bits are designed for use in a rotary hammer equipped with an "a" Taper type chuck.
型锥形钻头适用于装配了“A”型圆锥型夹头的电锤。
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These high precision instruments are more than 20 kinds and widely used for oil industry to measure the monomial parameters of taper, pitch and height screw for oil pipe, canola and drill shank.