In the late 1970’s, however, pelagic, or open- sea, drift- net fishing saw such a spectacular increase that today an armada of more than a thousand drift- net vessels from Japan, Taiwan, and the Republic of Korea comb the Pacific, Atlantic, and Indian oceans for squid, albacore, billfish, and salmon.
전기식 청소장치 및 기계jw2019 jw2019