字母L代表制造商保证的防水深度（单位：米）。
The letter L indicates the diving depth, in metres, guaranteed by the manufacturer.
手表的底盖用精密螺丝固定，保证在水深50米下仍具有良好的防水功能。
Watch precision screw fixed case back to ensure that at depths of 50 meters under the water still has a good feature.
买方保证在卸货港提供一个安全的泊位使每次装载吨位之货船有足够的长度及水深可以安全靠泊。
Buyer guarantees to provide one safe berth at the Discharging Port upon vessel arrival to accommodate a vessel with Beam and LOA as per permissible limits for draft at least of each shipment quantity.
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