Weld preheating
[化] 焊前預熱
?? 詞語組成解析
weld
[w?ld]
vt.& vi. 焊接;使緊密結合;
n. 焊接點;黃色植物染料;
[計] 預熱的
??? 情景例句
She won the first place in a speech contest.
她在演講比賽中獲得很第一名。
It seems he's afraid.
看起來他好像很害怕。
'I suppose it would, but I never catch a later train.'
“我認為可以，但我從來不乘晚一點兒的車。”