Flat welding
[化] 平焊
🧩 词语组成解析
flat
[flæt]
adj. 平的;单调的;不景气的;干脆的;
adv. （尤指贴着另一表面）平直地;断然地;水平地;直接地，完全地;
n. 平地;公寓;平面;
vt. 使变平;[音乐]使（音调）下降，尤指降半音;
vi. 逐渐变平;[音乐]以降调唱（或奏）;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
To speed away
快速离开
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。