例句：

　　In complicated fishing operation, the tubing is very likely to deform, burst and tear owing to eccentric wear, thereby a kind of fishing spear with sliding cone blocks is developed.

　　針對復雜打撈中偏磨油管打撈時易變形、脹破或撕裂的`難題，研制出特殊滑牙塊打撈矛，打撈矛由上接頭、矛桿、滑牙塊、鎖塊、銷釘、外筒等組成。

　　In complicated fishing operation, the tubing is very likely to deform, burst and tear owing to eccentric wear, thereby a kind of fishing spear with sliding cone blocks is developed.

　　針對復雜打撈中偏磨油管打撈時易變形、脹破或撕裂的難題，研制出特殊滑牙塊打撈矛，打撈矛由上接頭、矛桿、滑牙塊、鎖塊、銷釘、外筒等組成。