導(dǎo)纜孔Chocks
導(dǎo)纜孔又稱“舷墻纜孔”，是設(shè)于舷墻上，用于限制纜繩導(dǎo)出位置的閉孔狀導(dǎo)纜器，為一圓形或橢圓形的環(huán)形鑄件。導(dǎo)纜孔通常由鑄鐵或鑄鋼制成，安裝在舷墻上，引導(dǎo)纜索穿過船體，并可防止纜索損壞船體。
Cable guide hole, also known as "bulwark cable hole", is a closed-hole cable guide located on the bulkhead to restrict the position of the cable to be exported. It is a circular or elliptical ring casting. Cable holes, usually made of cast iron or cast steel, are installed on the bulkhead to guide the cable through the hull and prevent damage to the hull.