sink marks 缩影;凹陷;缩水;缩水痕
- The use of a submarine to sink a ship marks a dramatic escalation in these clashes.
使用潜艇击沉对方标志冲突水平的剧烈上升。 - Plastic shrinks during cooling. Holding packs more material in to take up the shrunk space so the preforms are without sink marks.
在冷却时间内,塑料不断收缩,而保压填补收缩了的空间,使瓶坯饱满,不会下陷。 - Surfaces:free of optically disturbing scratches, dirt, colour flaws, defects on galvanization, sink marks, deformation, flow lines, dullness, etc.
表面镀锌,标识字体凹进,不得有明显的刮痕,污垢,变形,流线,钝角和色泽瑕疵。
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